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 number of times an individual swallows per day while awake: \nSelect and explain. \nA. 600, B. 800, C. 700, D. 900', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]