A 58-Year-Old Man Presents at Your Office Complaining of Extreme

A 58-year-old man presents at your office complaining of extreme pain in his right testicle. Physical examination shows considerable swelling. A small amount of urethral exudate could be aspirated. Microscopic examination and Gram staining showed the presence of bacteria. Those bacteria most likely are

A) Gram-negative cocci
B) Gram-negative diplococci
C) Gram-positive cocci
D) Gram-positive rods