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': 'Die is \nSelect and explain. \nA. Impression of single tooth, B. Impression of whole teeth, C. Replica of single tooth, D. Replica of whole teeth', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]