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: Anatomy
The blood supply of anterior cruciate ligament (ACL) is primarily derived from - 
Select and explain. 
A. Superior medial genicular artery, B. Descending genicular artery, C. Middle genicular artery, D. Circumflex fibular artery
C: Middle genicular artery
Answer: C: Middle genicular artery 
Explanation: Middle genicular artery and inferior genicular artery supplies anterior and posterior cruciate ligaments.