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: Pathology
[{'content': 'Most common pathological features in diabetes melitus is - \nSelect and explain. \nA. Papillary necrosis, B. Diffuse glomerulosclerosis, C. Renal atherosclerosis, D. Chronic pyelonephritis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]