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: Pharmacology
Which of the following antitubercular drug is preferred in severe liver disease ? 
Select and explain. 
A. Streptomycin + Isoniazid, B. Streptomycin + Ethambutol, C. Isoniazid + Rifampicin, D. Rifampicin + Ethambutol
B: Streptomycin + Ethambutol
Answer: B: Streptomycin + Ethambutol 
Explanation: None