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': 'Optic atrophy can be caused by....poisoning : \nSelect and explain. \nA. Phosphrous, B. Ethyl alcohol, C. Methyl alcohol, D. Lead', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Methyl alcohol', 'role': 'assistant'}]