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: Microbiology
[{'content': 'A 45 year old female complaints of lower abdominal pain and vaginal discharge. On examination there is cervicitis along with a mucopurulent cervical discharge.The best approach to isolate the possible causative agent would be - \nSelect and explain. \nA. Culture chocolate agar supplemented with Haemin, B. Culture on McCoy cells, C. Culture on a bilayer human blood agar, D. Culture on vero cell lines', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]