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
Drug of choice in bacterial vaginosis is : 
Select and explain. 
A. Metronidazole, B. Doxycycline, C. Clindamycin, D. Ciprofloxacin
A: Metronidazole
Answer: A: Metronidazole 
Explanation: Metronidazole