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': 'In a patient with wilson disease related compensated cirrhosis, without evidence of neurologic or psychiatric symptoms the best treatment option is: \nSelect and explain. \nA. Trientine, B. Zinc, C. Tetrathiomolybdate, D. d-penicillamine', 'role': 'user'}, {'content': "Answer: B \nExplanation: For patients with hepatitis or cirrhosis, but without evidence of hepatic decompensation or neurologic/psychiatric symptoms, zinc is the treatment of choice. Zinc has proven efficacy in Wilson's disease and is nontoxic. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3189", 'role': 'assistant'}]