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 term diphydont means: \nSelect and explain. \nA. Second dentition, B. Two same sets of dentition, C. Two separate sets of dentition, D. More than two sets of dentition', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]