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': 'The last primary tooth to be replaced by a permanent \ntooth is usually the: \nSelect and explain. \nA. Maxillary second molar, B. Mandibular second molar, C. Maxillary canine, D. Mandibular canine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]