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': 'Renovascular hypeension is aggreted by: \nSelect and explain. \nA. ACE inhibitors, B. Beta blockers, C. Calcium channel blockers, D. Thiazide diuretics', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ACE inhibitors', 'role': 'assistant'}]