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, which enzyme is raised in 4 to 6 hrs. & decreases in 3 to 4 days - \nSelect and explain. \nA. SGOT, B. LDH, C. CPK, D. SGPT', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]