This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bronchopulmonary Segments, Embryonic veins, Subject name: Anatomy
[{'content': 'The hepatic sinusoids that can be observed histologically in an adult liver are derived from the \nSelect and explain. \nA. Supracardinal veins, B. Anterior cardinal veins, C. Posterior cardinal veins, D. Vitelline veins', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Because of the location of the vitelline veins and the tremendous growth of the developing liver (hepatic diveiculum), the vitelline veins are surrounded by the liver and give rise to the hepatic sinusoids. The umbilical veins also contribute to the hepatic sinusoidal network', 'role': 'assistant'}]