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': 'A myocardial infarct showing early granulation tissue has most likely occurred \nSelect and explain. \nA. Less than 1 hours, B. Within 24 hrs, C. Within 1 week, D. Within 1 month', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]