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: Psychiatry
[{'content': 'Treatment is not required in withdrawal of \nSelect and explain. \nA. Cannabis, B. Alcohol, C. Amphetamine, D. LSD', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. LSD', 'role': 'assistant'}]