This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'Metal fume fever is caused by \nSelect and explain. \nA. Barium, B. Potassium permanganate, C. Thallium, D. Antimony', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Metal fume fever : Flue like illness 6-8 hours after exposure of fumes Subside after 36 hours Caused by Antimony Zinc Copper Nickel Lead Mercury Cobalt Cadmium Magnesium Manganese', 'role': 'assistant'}]