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
Venous blood of liver is drained by - 
Select and explain. 
A. Portal vein, B. Hepatic artery, C. Sinusoids, D. Hepatic veins
D: Hepatic veins
Answer: D: Hepatic veins 
Explanation: Venous trainage is through hepatic veins into IVC.