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 diet counseling to reduce caries \nSelect and explain. \nA. Sugar is restricted to meals time, B. Sugar is restricted to one times a day, C. Restricted to only liquid sugars, D. Restricted to fibrous food.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]