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
Test for ACL injury is ? 
Select and explain. 
A. Lachman, B. Bryants, C. Jobes, D. Hamilton
A: Lachman
Answer: A: Lachman 
Explanation: Ans. is 'a' i.e., Lachman