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': 'Symptoms of metal fume fever resolve spontaneously within: Himachal 10 \nSelect and explain. \nA. 6-12 h, B. 12-24 h, C. 24-36 h, D. 36-48 h', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 24-36 h', 'role': 'assistant'}]