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: Pharmacology
[{'content': 'Drug which arrests mitosis in metaphase ? \nSelect and explain. \nA. Busulfan, B. 5-fu, C. Vinca Alkaloids, D. Methotrexate', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Vinca alkaloids M-phase inhibitors (Mitosis inhibitors) are vincristine, vinblastine, paclitaxel, docetaxel ixabepilone and extramustine.", 'role': 'assistant'}]