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
Wof is cell cycle nonspecific antineoplastic drug 
Select and explain. 
A. Vincristine, B. Methotrexate, C. Bleomycin, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: Vincristine act on 'M' phase by inhibiting polymerization of microtubules. Methotrexate act on 'S' phase by inhibiting DHFA reductase enzyme Bleomycin act on 'G2M' phase by causing oxidative damage to dna Ref:- kd tripathi; pg num:- 874