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': 'Most specific histological lesion in diabetic nephropathy is: \nSelect and explain. \nA. Widening of glomerular basement membrane, B. Generalized mesangial thickening, C. Occlusion of glomeruli with fibrin caps, D. Hylinisation of afferent arterioles and Kimmelstein¬Wilson bodies', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]