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: Medicine
[{'content': 'In MI following:are used except - \nSelect and explain. \nA. Fibrinolytics, B. Plasminogen activator inhibitor, C. Anti thrombin, D. Platelet inhibitor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]