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
Hepatic adaptation is caused by which antituberculous drug? 
Select and explain. 
A. INH, B. Rifambin, C. Pyrazinamide, D. Ethambutol
A: INH
Answer: A: INH 
Explanation: Isoniazid sometimes cause asymptomatic transient elevation of aminotransferase levels termed hepatic adaptation. Ref: Harrison's Principles of Internal Medicine, 18th Edition, Page 1374.