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
Pulmonary fibrosis is associated with the use of which of the following drugs? 
Select and explain. 
A. Bleomycin, B. Cisplatin, C. Methotrexate, D. Actinomycin D
A: Bleomycin
Answer: A: Bleomycin 
Explanation: Out of all the options given bleomycin and methotrexate can cause pulmonary toxicity. But pulmonary fibrosis is the most feared complication of Bleomycin. Ref: Harrison's 16th Edition, Page 471 (table 70-2); Drug-Induced Diseases: Prevention, Detection, and Management, By James E. Tisdale, Douglas A. Miller, Page 360, table 21-1 (ASHP, 23-Jan-2010)