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
[{'content': 'Antihypeensive of choice in a patient of diabetes mellitus with proteinuria is - \nSelect and explain. \nA. Enalapril, B. Propanolol, C. Hydralazine, D. Minoxidil', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Enalapril", 'role': 'assistant'}]