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': 1991}
Prior Diagnosis 1: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2011-12-02', 'end date': '2011-12-26'}
Prior Diagnosis 2: {'condition': 'Sprain of ankle', 'condition status': 'Not Extracted', 'start date': '2014-06-12', 'end date': '2014-07-16'}
Last Body Mass Index measurement on 2011-05-30 00:00:00: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'kg/m2', 'value': 26.67}
Prior measurements of the same type 1: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'kg/m2', 'value': 26.67}
Prior measurements of different types 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'cm', 'value': 176.61}
Prior measurements of different types 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'kg', 'value': 83.2}
Prior measurements of different types 3: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'mmHg', 'value': 128.0}
Prior measurements of different types 4: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-30T00:00:00', 'unit': 'mmHg', 'value': 71.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-30', 'end datetime': '2011-05-30'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-12-10', 'end datetime': '2011-12-10'}
Visit 3: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-06-12', 'end datetime': '2014-06-12'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1994-08-31', 'End datetime': '1994-08-31', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': ' Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]', 'Start datetime': '2011-12-10', 'End datetime': '2011-12-26', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Acetaminophen 325 MG Oral Tablet', 'Start datetime': '2014-06-12', 'End datetime': '2014-07-16', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Body Mass Index value be on 2014-12-09 00:00:00?
A. 27.81
B. 22.21
C. 15.11
D. 26.58
E. 33.08
Please share a single capital letter representing your selected answer: 
27.81 22.21 15.11 26.58 33.08