This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver disorders, Subject name: Pediatrics
[{'content': 'In Wilson disease, hepatic copper content usually exceeds_____________ dry weight \nSelect and explain. \nA. 200 mg/g, B. 250 mg/g, C. 300 mg/g, D. 350 mg/g', 'role': 'user'}, {'content': "Answer: B \nExplanation: In Wilson's disease, hepatic copper content usually exceeds 250 mg/g dry weight (>4 mmol/g dry weight is the best biochemical evidence for Wilson disease).", 'role': 'assistant'}]