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

<PatientData>
Demographics: {'race': None, 'gender': 'FEMALE', 'year of birth': 1944}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2003-02-22', 'end datetime': '2003-02-22'}
Measurement 1: {'measurement': 'Chronic obstructive bronchitis (disorder)', 'measurement type': 'EHR encounter record', 'measurement date': '2003-02-22T00:00:00', 'unit': None, 'value': None}
</PatientData>

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

A. Leucovorin 100 MG Injection
B. insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin]
C. Naproxen sodium 220 MG Oral Tablet
D. Fluticasone propionate 0.25 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT [Advair]
E. Implanon 68 MG Drug Implant

Please share a single capital letter representing your selected answer: 
Leucovorin 100 MG Injection insulin human  isophane 70 UNT/ML / Regular Insulin  Human 30 UNT/ML Injectable Suspension [Humulin] Naproxen sodium 220 MG Oral Tablet Fluticasone propionate 0.25 MG/ACTUAT / salmeterol 0.05 MG/ACTUAT [Advair] Implanon 68 MG Drug Implant