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: Pathology
[{'content': 'Troponin-T is preferable to CPK-MB in the diagnosis of acute MI in all of the following situations except - \nSelect and explain. \nA. Bedside diagnosis of MI, B. After CABG, C. Reinfarction after 4 days, D. Small infarct', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]