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
Drug useful for gout : 
Select and explain. 
A. Pyrazinamide, B. Rifampicin, C. Allopurinol, D. Naloxone
C: Allopurinol
Answer: C: Allopurinol 
Explanation: None