You are an assistant tasked with analyzing medical histories to determine which medication is missing from the patient’s current regimen.

<PatientData>
Demographics: {'race': 'White', 'gender': 'FEMALE', 'year of birth': 1929}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '1989-11-14', 'end datetime': '1989-11-14'}
Measurement 1: {'measurement': 'Chronic obstructive bronchitis (disorder)', 'measurement type': 'EHR encounter record', 'measurement date': '1989-11-14T00:00:00', 'unit': None, 'value': None}
Current Medications:
Medication 1: {'Drug name': 'Fluticasone propionate 0.25 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT [Advair]', 'Start datetime': '1970-09-25', 'End datetime': '1970-09-25', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
</PatientData>

Based on the EHR history above, which medication **should also be on the list today**?

A. diphenhydrAMINE Hydrochloride 25 MG Oral Tablet
B. Naproxen sodium 220 MG [Aleve]
C. Ibuprofen 200 MG Oral Tablet
D. Dextromethorphan Hydrobromide 1 MG/ML
E. Leucovorin 100 MG Injection

Please share a single capital letter representing your selected answer: 
diphenhydrAMINE Hydrochloride 25 MG Oral Tablet Naproxen sodium 220 MG [Aleve] Ibuprofen 200 MG Oral Tablet Dextromethorphan Hydrobromide 1 MG/ML Leucovorin 100 MG Injection