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: Forensic Medicine
[{'content': 'True about frostbite are all, except: PGI 14 \nSelect and explain. \nA. Occurs due to extreme cold, B. Formation of ice crystals within tissues, C. Rewarming is not done, D. Seen in fingers and toes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Rewarming is not done', 'role': 'assistant'}]