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 CAT in pediatric dentistry is \nSelect and explain. \nA. Caries Activity Test, B. Caries Advancement Test, C. Caries Risk Assessment Tool, D. Child Aptitude Test', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]