This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inborn Errors of Metabolism, Subject name: Pediatrics
[{'content': 'Treatment of Alkaptonuria: \nSelect and explain. \nA. Vitamin A, B. Vitamin C, C. Vitamin D, D. Vitamin K', 'role': 'user'}, {'content': "Answer: B \nExplanation: b. Vitamin C(Ref: Nelson's 20/e p 651)Some patients with Alkaptonuria benefit from high-dose vitamin C; In Alkaptonuria, Vitamin C has been shown to decrease the build-up of brown pigment in cartilage & may slow the development of arthritis.", 'role': 'assistant'}]