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': 'Fatal period in sulphuric acid poisoning is : \nSelect and explain. \nA. 2-4 hours, B. 6-10 hoursd, C. 12-16 hours, D. 8-14 hours', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. 12 -16 hours', 'role': 'assistant'}]