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': "Splaying and cupping of the'metaphysis is seen in : \nSelect and explain. \nA. Rickets, B. Scurvy, C. Paget's disease, D. Lead poisoning", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Rickets', 'role': 'assistant'}]