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
The pivot test is for 
Select and explain. 
A. Anterior cruciate ligament, B. Posterior cruciate ligament, C. Medial meniscus, D. Lateral meniscus
A: Anterior cruciate ligament
Answer: A: Anterior cruciate ligament 
Explanation: A i.e. Anterior cruciate