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: Surgery
Which of the following terms can be used for brain injury: 
Select and explain. 
A. Concussion., B. Contusion., C. Laceration., D. All of the above.
D: All of the above.
Answer: D: All of the above. 
Explanation: None