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
The most effective antitubercular drug against slow multiplying intracellular mycobacteria is : 
Select and explain. 
A. Rifampicin, B. Isoniazid, C. Pyrazinamide, D. Ethambutol
C: Pyrazinamide
Answer: C: Pyrazinamide 
Explanation: None