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': 'Which drug is responsible for coronary steal phenomenon? \nSelect and explain. \nA. Aspirin, B. Clopidogrel, C. Dipyridamole, D. Prasugrel', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. DipyridamoleDipyridamole is antiplatelet drug responsible for coronary steal phenomenon. It dilates the resistance vessel in non ischaemic area and thus decreasing the blood flow to already ischaemic region.', 'role': 'assistant'}]