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': 'Cause of large kidney in CRF are a/e \nSelect and explain. \nA. DM, B. Amyloidosis, C. Benign nephrosclerosis, D. Diffuse GN', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]