This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cytotoxic Anticancer Drugs, Subject name: Pharmacology
Pulmonary fibrosis is an adverse effect of which of the following anti-cancer drugs? 
Select and explain. 
A. Mitomycin C, B. Hydroxyurea, C. Bleomycin, D. Cisplatin
C: Bleomycin
Answer: C: Bleomycin 
Explanation: Anticancer drugs causing pulmonary fibrosis are Bleomycin Busulfan Methotrexate Cyclophosphamide Carmustine