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': 'Universal definition of MI all except? \nSelect and explain. \nA. Sudden death can be MI, B. New abnormal wall motion with raised cardiac biomarkers, C. 3 times increase in troponin levels after coronary artery bypass, D. Reperfusion in 5-7% leads to elevation of troponin levels', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]