This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
Pulmonary fibrosis is associated with the use of 
Select and explain. 
A. Bleomycin, B. Cisplatin, C. Methotrexate, D. Actinomycin D
A: Bleomycin
Answer: A: Bleomycin 
Explanation: question repeated