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': 'Enalapril is contraindicated in all of the following conditions except: \nSelect and explain. \nA. Diabetic nephropathy with albuminuria, B. Single kidney, C. Bilateral renal artery stenosis, D. Hyperkalemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]