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: Pathology
Commonest "Benign" Tumor of Liver is : 
Select and explain. 
A. Hamatoma, B. Hemangioma, C. Adenoma, D. Adenoma
B: Hemangioma
Answer: B: Hemangioma 
Explanation: Hemangioma