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: Anatomy
[{'content': 'Which of the muscle in male is equivalent for vaginal sphincter in female? \nSelect and explain. \nA. Levator prostatae, B. Anococcygeal body, C. Puborectalis, D. Bulbospongiosus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The sphincter vaginae (levator prostatae in the male) form a sling around the vagina and are inseed into a mass of fibrous tissue, called the perineal body. Ref: Clinical Anatomy by Systems By Richard S. Snell, 2007, Page 861.', 'role': 'assistant'}]