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': 'Hepatic adaptation is caused by which antituberculous drug? \nSelect and explain. \nA. INH, B. Rifambin, C. Pyrazinamide, D. Ethambutol', 'role': 'user'}, {'content': "Answer: A \nExplanation: Isoniazid sometimes cause asymptomatic transient elevation of aminotransferase levels termed hepatic adaptation. Ref: Harrison's Principles of Internal Medicine, 18th Edition, Page 1374.", 'role': 'assistant'}]