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: Surgery
[{'content': 'A malignant tumour of childhood, that metastasized to\nbone most often, is: \nSelect and explain. \nA. Wiles tumour, B. Neuroblastoma, C. Adrenal gland tumour, D. Granuloma cell tumour of ovary', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]