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: Pharmacology
[{'content': 'Anaesthetic that has a smooth induction is : \nSelect and explain. \nA. Diethyl ether, B. Isoflurane, C. N2O, D. Halothane', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Halothane and sevoflurane have smooth induction, so these are preferred agents for anesthesia in children.', 'role': 'assistant'}]