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
A football player came with twisting injury to left leg with pain, X ray was normal, but on clinical examination anterior drawer test, lachman test positive diagnosis ? 
Select and explain. 
A. Medial meniscus tear, B. ACL tear, C. PCL tear, D. Proximal tibia fracture
B: ACL tear
Answer: B: ACL tear 
Explanation: Ans. is 'b' i.e., ACL tear Patient with positive Lachmann test and anterior drawer test suggests diagnosis of ACL tear.