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
Which of the following is present in the peritoneal reflection which forms one of the borders of the paraduodenal fossa? 
Select and explain. 
A. Middle colic vein, B. Left colic vein, C. Splenic vein, D. Inferior mesenteric vein
D: Inferior mesenteric vein
Answer: D: Inferior mesenteric vein 
Explanation: D i.e., Inferior mesenteric vein