This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hepatobiliary System, Subject name: Anatomy
[{'content': 'Ligamentum teres hepatis is developed from - \nSelect and explain. \nA. Umbilical arteries, B. Left umbilical vein, C. Ductus-venosus, D. Ductus arteriosus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Left umbilical vein o The ligament teres represents the obliterated left umbilical vein.o Repeat from previous sessions.", 'role': 'assistant'}]