This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cirrhosis, Subject name: Medicine
[{'content': 'Most common cause of congestive splenomegaly is? \nSelect and explain. \nA. Chronic congestive cardiac failure, B. Cirrhosis, C. Hepatic vein occlusion, D. Stenosis of splenic vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Congestive splenomegaly is common in patients with severe poal hypeension. Poal hypeension is the major complication of cirrhosis.', 'role': 'assistant'}]