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': "RPGN occurs in all except \nSelect and explain. \nA. SLE, B. Post streptococcal glomerulonephritis, C. Diabetic nephropathy, D. Good pasture's syndrome", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]