A 28-year-old man presents with a 3-day history of dysuria and urethral discharge. NAAT testing confirms Neisseria gonorrhoeae infection without chlamydia. According to Canadian STI guidelines, which antibiotic regimen is preferred?ACiprofloxacin 500 mg orally single doseBAzithromycin 1 g orally single dose aloneCCeftriaxone 500 mg intramuscularly single dose plus doxycycline for 7 daysDCeftriaxone 500 mg intramuscularly single dose and test-of-cure as indicatedEMetronidazole 2 g orally single doseCheck my answer