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': 'Cells seen in MI at 48 hours are - \nSelect and explain. \nA. Polymorphs, B. Fibroblasts, C. Lymphocytes, D. Macrophages', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]