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': 'Which of the following anticancer drugs is cell cycle specific \nSelect and explain. \nA. Ifosfamide, B. Melphalan, C. Vinbalstine, D. Cycloohosphamide', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer Katzung 11/e p774 Vinbalstine is a M phase specific vinca alkaloid Whereas Bleomycin acts selectively on G1 phase of cell cycle', 'role': 'assistant'}]