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': 'From clinical point of view, property of composite is to provide \nSelect and explain. \nA. Translucency, B. Transparency, C. Opacity, D. Brittleness', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]