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 ATT has maximum CSF penetration ? 
Select and explain. 
A. Streptomycin, B. INH, C. Rifampicin, D. Ethambutol
B: INH
Answer: B: INH 
Explanation: None