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
Derivative of umbilical aery is: 
Select and explain. 
A. Medial umbilical ligament, B. Superior vesical aery, C. Both of the above, D. None of the above
C: Both of the above
Answer: C: Both of the above 
Explanation: Distal pas of the umbilical aeries form the medial umbilical ligaments, and the proximal poions remain open as the superior vesical aeries Ref: Langman's embryology 11th edition Chapter 12.