question: Q:A 24-year-old woman presents to the ED with symptoms of pelvic inflammatory disease despite being previously treated with azithromycin for chlamydial infection. Based on your clinical understanding about the epidemiology of PID, you decide to obtain a gram stain which shows a gram-negative diplococci. What is the next step in order to confirm the identity of the organism described?? 
  {'A': 'Obtain an acid fast stain', 'B': 'Culture in Thayer-Martin media', 'C': 'Perform an RT-PCR', 'D': 'Culture in Bordet-Gengou agar', 'E': 'Culture in TCBS agar'},