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: Medicine
Most effective treatment of acute attack of gout is - 
Select and explain. 
A. Aspirin, B. Allopurinol, C. Colchicine, D. Mefenemic acid
D: Mefenemic acid
Answer: D: Mefenemic acid 
Explanation: None