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 acute myocardial infarction the best drug to cause thrombolysis and to start reperfusion \nSelect and explain. \nA. Steptokianase, B. Urokinase, C. Tissue plasminogen activator, D. Anisoylated plasminogen steptonase activator complex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]