This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
[{'content': 'Drug prescribed for acute attack of migraine: \nSelect and explain. \nA. Propranolol, B. Flunarizine, C. Sumatriptan, D. Verapamil', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. SumatriptanTreatment for acute attack of migraine: NSAIDS, ergot alkaloid, Triptans. For prophylaxis of migraine: Propranolol, flunarizine, CCB.', 'role': 'assistant'}]