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: Dental
[{'content': 'A buccal canine retractor is better than a palatial canine\nretractor when \nSelect and explain. \nA. The maxillary canine is distally placed, B. The maxillary canine is partially impacted, C. The maxillary canine distally placed and rotated, D. The maxillary canine is buccally placed', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]