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
Which of the following drug is useful in acute attack of migraine ? 
Select and explain. 
A. Bromocriptine, B. Cinnarizine, C. Sumatriptan, D. Ondansetron
C: Sumatriptan
Answer: C: Sumatriptan 
Explanation: None