You are an assistant tasked with analyzing measurement histories to predict the patient's next laboratory or vital sign value.
<PatientData>
Demographics: {'race': 'White', 'gender': 'MALE', 'year of birth': 1926}
Prior Diagnosis 1: {'condition': 'Chronic sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '1937-12-07', 'end date': None}
Prior Diagnosis 2: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '1979-10-18', 'end date': None}
Prior Diagnosis 3: {'condition': 'Appendicitis', 'condition status': 'Not Extracted', 'start date': '1981-08-07', 'end date': None}
Prior Diagnosis 4: {'condition': 'History of appendectomy', 'condition status': 'Not Extracted', 'start date': '1981-08-07', 'end date': None}
Prior Diagnosis 5: {'condition': 'Osteoporosis (disorder)', 'condition status': 'Not Extracted', 'start date': '1987-04-08', 'end date': None}
Prior Diagnosis 6: {'condition': 'Coronary Heart Disease', 'condition status': 'Not Extracted', 'start date': '2008-06-22', 'end date': None}
Prior Diagnosis 7: {'condition': 'Acute viral pharyngitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2011-05-13', 'end date': '2011-05-24'}
Last Carbon Dioxide measurement on 2011-06-11 00:00:00: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmol/L', 'value': 24.0}
Prior measurements of the same type 1: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmol/L', 'value': 20.0}
Prior measurements of the same type 2: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmol/L', 'value': 24.0}
Prior measurements of different types 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'cm', 'value': 181.32}
Prior measurements of different types 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'kg', 'value': 81.64}
Prior measurements of different types 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'kg/m2', 'value': 24.83}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmHg', 'value': 105.0}
Prior measurements of different types 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Prior measurements of different types 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mg/dL', 'value': 77.0}
Prior measurements of different types 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mg/dL', 'value': 15.0}
Prior measurements of different types 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mg/dL', 'value': 9.0}
Prior measurements of different types 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmol/L', 'value': 139.0}
Prior measurements of different types 13: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmol/L', 'value': 5.17}
Prior measurements of different types 14: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2010-06-17T00:00:00', 'unit': 'mmol/L', 'value': 105.0}
Prior measurements of different types 15: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-15T00:00:00', 'unit': 'Cel', 'value': 38.0}
Prior measurements of different types 16: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'cm', 'value': 181.32}
Prior measurements of different types 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'kg', 'value': 79.7}
Prior measurements of different types 19: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'kg/m2', 'value': 24.24}
Prior measurements of different types 20: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmHg', 'value': 121.0}
Prior measurements of different types 21: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Prior measurements of different types 22: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 23: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 90.0}
Prior measurements of different types 24: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 17.0}
Prior measurements of different types 25: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 26: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 9.24}
Prior measurements of different types 27: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmol/L', 'value': 142.0}
Prior measurements of different types 28: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmol/L', 'value': 5.06}
Prior measurements of different types 29: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mmol/L', 'value': 106.0}
Prior measurements of different types 30: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 164.0}
Prior measurements of different types 31: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 101.0}
Prior measurements of different types 32: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 77.0}
Prior measurements of different types 33: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-06-11T00:00:00', 'unit': 'mg/dL', 'value': 66.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-06-17', 'end datetime': '2010-06-17'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-15', 'end datetime': '2011-05-15'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-06-11', 'end datetime': '2011-06-11'}
Medication 1: {'Drug name': 'Clopidogrel 75 MG Oral Tablet', 'Start datetime': '2008-06-22', 'End datetime': '2008-06-22', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Simvastatin 20 MG Oral Tablet', 'Start datetime': '2008-06-22', 'End datetime': '2008-06-22', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Amlodipine 5 MG Oral Tablet', 'Start datetime': '2008-06-22', 'End datetime': '2008-06-22', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Nitroglycerin 0.4 MG/ACTUAT [Nitrolingual]', 'Start datetime': '2008-06-22', 'End datetime': '2008-06-22', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2010-06-17', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-06-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Carbon Dioxide value be on 2011-08-16 00:00:00?
A. 21.0
B. 20.0
C. 25.0
D. 28.0
E. 23.0
Please share a single capital letter representing your selected answer: 
21.0 20.0 25.0 28.0 23.0