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': 'Crescents are characteristic of \nSelect and explain. \nA. Membranous nephropathy, B. PSGN, C. MPGN, D. RPGN', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Crescents are histological characteristic of RPGN.', 'role': 'assistant'}]