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': "All of the following statements about. Wilson's disease are true, EXCEPT - \nSelect and explain. \nA. It is an autosomal recessive disorder, B. Serum Ceruloplasmin level is <20 mg/dI, C. urinary copper exxretion is <100 mg/day, D. Zinc acetate is effective as maintenance therapy", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]