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
Drugs which cause both physical and psychological dependence are ? 
Select and explain. 
A. Opioids, B. Alcohol, C. Nicotine, D. All the above
D: All the above
Answer: D: All the above 
Explanation: 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)