This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Antihypertensive of choice in a patient of diabetes mellitus with proteinuria is: 
Select and explain. 
A. Enalapril, B. Propranolol, C. Hydralazine, D. Minoxidil
A: Enalapril
Answer: A: Enalapril 
Explanation: None