This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
[{'content': 'Frost bite rapid rewarming is done with which tempeaure \nSelect and explain. \nA. 37c, B. 42c, C. 45c, D. 30c', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ref : naryanareddy', 'role': 'assistant'}]