You are answering a USMLE-style medical question. Question: A 23-year-old man presents with swelling of the left knee. He noticed the swelling a day ago while preparing for the college basketball game. He has had approximately 10 different sexual partners in the past 3 months. Synovial fluid tap shows a WBC count of 90,000 cells/mm3. What is the mechanism of action of the drug which is indicated for the treatment of this patient’s most likely condition? Options: A) Metabolic inhibitor B) Cell wall inhibitor C) Neutrophil migration inhibitor D) Prostaglandin inhibitor Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.