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: Surgery
[{'content': 'Elevators should not be used to remove the palatal root of an \nSelect and explain. \nA. Upper incisor, B. Upper canine, C. Upper premolar, D. Upper molar', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]