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: Medicine
[{'content': 'Which of the following is true about Wilson disease- \nSelect and explain. \nA. High copper in urine, high copper in serum, B. High ceruloplasmin, C. Low serum copper, D. Low urinary copper', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]