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
Mc. Murray's sign is seen in injury to 
Select and explain. 
A. Medial meniscus, B. Medial collateral ligament, C. Anterior cruciate ligament, D. Posterior cruciate ligament
A: Medial meniscus
Answer: A: Medial meniscus 
Explanation: A i.e. Medial meniscus