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': 'All the following muscles are attached to Perineal body except \nSelect and explain. \nA. Bulbospongiosus, B. Ischiocavernosus, C. Superficial Transverse Perinei, D. Levator ani', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ten muscles of the perineum converge and interlace in the perineal body.Two unpairedExternal anal sphincterFibers of longitudinal muscle coat of anal canalPairedBulbospongiosusSuperficial and deep transversus pereneiLevator aniReference: Chaurasia Volume II; 7th edition; Page no: 383', 'role': 'assistant'}]