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: Pharmacology
The treatment of choice for bacterial vaginosis is : 
Select and explain. 
A. Clindamycin, B. Erythromycin, C. Ampicillin, D. Metronidazole
D: Metronidazole
Answer: D: Metronidazole 
Explanation: None