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': 'Arsenophagists are - \nSelect and explain. \nA. Criminals using arsenic for homicidal purpose, B. Person using arsenic as abortion stick, C. Person who can tolerate high doses of arsenic after taking arsenic in low doses at frequent intervals, D. Persons using it as cattle poison', 'role': 'user'}, {'content': "Answer: C \nExplanation: Some people take arsenic regularly as aphrodisiac or tonic can tolerate upto 0.3 gm dose, and are known as 'arsenophagist'.", 'role': 'assistant'}]