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': 'Kimmelstiel Wilson disease is \nSelect and explain. \nA. Diffuse glomerulosclerosis, B. Capillary basement membrane thickening, C. Nodular glomerulosclerosis, D. Increase in meningeal matrix', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]