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': 'In\tconstruction of immediate denture, anterior teeth\nthat are extracted \nSelect and explain. \nA. In first appointment, B. Before construction of denture, C. After denture construction, D. After posterior teeth', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]