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': 'Which of the following veins is found in relation to the paraduodenal fossa - \nSelect and explain. \nA. Inferior mesenteric vein, B. Middle colic vein, C. Left colic vein, D. Splenic vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]