This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Pulmonary fibrosis is seen with(REPEAT) \nSelect and explain. \nA. Bleomycin, B. Cisplatin, C. Methotrexate, D. Actinomycin D', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Reference Katzung 11/e p953 Bleomycin is a marrow sparing drug But it causes pulmonary fibrosis and skin toxicity Another antineoplastic drug causing pulmonary fibrosis is busulfan', 'role': 'assistant'}]