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: Surgery
Clue cells are found in ? 
Select and explain. 
A. Candidial vaginosis, B. Bacterial vaginosis, C. Trichomoniasis, D. Chlamydial infection
B: Bacterial vaginosis
Answer: B: Bacterial vaginosis 
Explanation: Bacterial vaginosis Repeat from Nov 09 Q no.159