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': 'An anaesthetic agent with a boiling temperature more than 75°C is: \nSelect and explain. \nA. Ether, B. Halothane, C. Cyclopropane, D. Methoxyflurane', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Boiling point of methoxyflurane is 104.7°C whereas other fluorinated inhalational anesthetics have boiling point between 50°C to 60°c (except desflurane: 22.9°C)', 'role': 'assistant'}]