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 psoriatic ahritis, if the patient has liver fibrosis, ahropathy can NOT be treated with? \nSelect and explain. \nA. Methotrexate, B. Anti-TNF-alpha agents, C. Steroids, D. Sulfasalazine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Methotreaxte is absolutely contraindicated in liver fibrois. In case of treatment for long duration liver fibrosis should be assessed by liver biopsy.', 'role': 'assistant'}]