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': 'Which of the following is not a feature of drug dependence - \nSelect and explain. \nA. Tolerance, B. Persistant desire to quit drug, C. Consumption of Large amount of drug over prolonged period, D. Use of illegal substances', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Drug dependence is not distinguished by the use of legal substances (like alcohol, opioids etc) or illegal substances (Cocaine etc.) and may be seen with both.', 'role': 'assistant'}]