This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'The blood vessel related to the paraduodenal fossa is - \nSelect and explain. \nA. Gonadal vein, B. Superior mesenteric artery, C. Portal vein, D. Inferior mesenteric vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]