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: Medicine
[{'content': 'A hypertensive, diabetic is having proteinuria,antihypertensive of choice is - \nSelect and explain. \nA. Propanolol, B. Clonidine, C. Enalapril, D. Alpha methyldopa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]