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: Surgery
[{'content': 'Re-implantation time for lower limb is ? \nSelect and explain. \nA. 6 hrs, B. 4 hrs, C. 8 hrs, D. 10 hrs', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 8hrs.", 'role': 'assistant'}]