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 drugs is useful in acute attack of gout ? 
Select and explain. 
A. Furosemide, B. Sulfinpyrazone, C. Allopurinol, D. Piroxicam
D: Piroxicam
Answer: D: Piroxicam 
Explanation: None