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: Medicine
In patients with cirrhosis of the liver the site of obstruction in the portal system is in the - 
Select and explain. 
A. Hepatic vein, B. Post sinusoidal, C. Extra hepatic portal vein, D. Sinusoids
D: Sinusoids
Answer: D: Sinusoids 
Explanation: None