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': 'Necrotizing papilitis is seen in all of the following except- \nSelect and explain. \nA. Salicylate poisoning, B. Renal vascular thrombosis, C. PNH, D. Diabetes mellitus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]