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
All are the structure of triangle of doom except? 
Select and explain. 
A. Femoral nerve, B. External ilioc vessels, C. Genital branch of genitotemoral nerve, D. Vas deference
A: Femoral nerve
Answer: A: Femoral nerve 
Explanation: None