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: Anaesthesia
[{'content': 'Heart is not sensitized by – \nSelect and explain. \nA. Halothane, B. Chloroform, C. Diethyl–ether, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sensitization of heart to adrenaline is caused by Halothane, chloroform, cyclopropane, trilene.', 'role': 'assistant'}]