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': 'One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations: \nSelect and explain. \nA. Prevent galvanic action, B. Are practically insoluble in oral fluids, C. Adapt to the walls of the cavity better, D. Have a higher coefficient of thermal expansion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]