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 best tissue tolerated material for crown and bridge: \nSelect and explain. \nA. Highly polished porcelain, B. Highly polished acrylic, C. Highly glazed porcelain, D. Highly polished metal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]