This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Superficial perineal space contains \nSelect and explain. \nA. Sphincter urethrae muscle, B. Ischiocavernosus muscle, C. Deep transverse perinei muscle, D. Bulbourethral gland', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Contents: MuscleIschiocavernosus muscleBulbospongiosus muscleSuperficial transverse perineal muscleOtherCrura of penis (males) / crura of clitoris (females)Bulb of penis (males) / vestibular bulb (females)Greater vestibular gland (female)', 'role': 'assistant'}]