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: Radiology
[{'content': "About osteogenesis imperfecta: all are true except: \nSelect and explain. \nA. Diaphyseal fractures, B. Metaphyseal fractures, C. Classified by sillence classification, D. Sclera' and dental abnormalities", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Metaphyseal fractures', 'role': 'assistant'}]