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: • Ischemic time for digits is upto 8 hours.\n• Ischemic time for extremities is 4-6 hours.\n• Organ containing bag should be placed in a solution of saline with ice.', 'role': 'assistant'}]