You are an assistant tasked with analyzing medical histories to provide a second opinion on possible future diagnoses.

<PatientData>
Demographics: {'race': 'White', 'gender': 'MALE', 'year of birth': 1939}
Prior Diagnosis 1: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '1975-09-19', 'end date': None}
</PatientData>
Based on the trajectory above, which diagnosis is the patient **most likely** to receive by 1979-04-11?
A. Miscarriage in first trimester
B. Coronary Heart Disease
C. Acute allergic reaction
D. Blindness due to type 2 diabetes mellitus (disorder)
E. Stroke
Please share a single capital letter representing your selected answer: 
Miscarriage in first trimester Coronary Heart Disease Acute allergic reaction Blindness due to type 2 diabetes mellitus (disorder) Stroke