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': 'Drugs which cause both physical and psychological dependence are ? \nSelect and explain. \nA. Opioids, B. Alcohol, C. Nicotine, D. All the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is'd' i.e., All the above [Ref Niraj Ahuja 6'h/e p. 37; Essential of clinical psychiatry 4'h/e p. 247)", 'role': 'assistant'}]