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': 'Resin teeth are \nSelect and explain. \nA. High in fracture toughness, B. Dimensionally stable, C. Not indicated with diminished inter arch distance, D. Susceptible to crazing with time', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]