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
A patient was on DVT prophylaxis. All of the following has perforators which connect superficial veins to the deep veins except - 
Select and explain. 
A. Ankle, B. Below inguinal ligament, C. Mid calf, D. Lower thigh
B: Below inguinal ligament
Answer: B: Below inguinal ligament 
Explanation: There are perforators at mid-thigh, knee, leg and ankle.