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
Which one of the following arteries pierces the oblique popliteal ligament of the knee joint? 
Select and explain. 
A. Medial superior genicular artery, B. Lateral superior genicular artery, C. Middle genicular artery, D. Posterior tibial recurrent artery
C: Middle genicular artery
Answer: C: Middle genicular artery 
Explanation: OBLIQUE POPLITEAL LIGAMENT
Expansion from the tendon of semimembranosus.
Runs upwards and laterally, blends with the posterior surface of the capsule, and is attached to the intercondylar line and lateral condyle of femur.
Related to politeal artery.
Structures piercing the ligament

Middle Genicular vessels.
Posterior division of obturator nerve