This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The membranous pa of the atrioventricular pa of interventricular septum is between \nSelect and explain. \nA. RA & LV, B. LA & RV, C. RA & RV, D. LA & LV', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Inderbir Singh&;s Human embryology; Tenth edition; Pg 244The membranous pa of the interventricular septum is divisible into an anterior pa which separates the right and left ventricle and a posterior pa which separates the left ventricle from the right atrium ( also called interventricular septum).', 'role': 'assistant'}]