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
pumping action is shown by: 
Select and explain. 
A. Central hemangioma, B. Peripheral hemangioma., C. Central giant cell granuloma., D. All of the above.
A: Central hemangioma
Answer: A: Central hemangioma 
Explanation: pumping action is if the tooth in the tumor area is pushed into the socket,it is rebound back