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: Gynaecology & Obstetrics
[{'content': 'A 40-year-old woman presented to the gynecologist with complaints of profuse vaginal discharge. There was no discharge from the cervix on the speculum examination. The diagnosis of bacterial vaginosis was made based upon all of the following findings on microscopy except: \nSelect and explain. \nA. Abundance of gram variable coccobacilli, B. Absence of lactobacilli, C. Abundance of polymorphs, D. Present of clue cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]