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': 'Good-pasture syndrome is not characterized by - \nSelect and explain. \nA. Anti GBM, B. Crescents, C. Pulmonary hemorrhage, D. Diffuse alveolar damage', 'role': 'user'}, {'content': 'Answer: D \nExplanation: There is focal necrosis (not diffuse) of alveolar walls', 'role': 'assistant'}]