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
Initially, renal aeries are branches of ? 
Select and explain. 
A. Internal pudendal aery, B. External iliac aery, C. Common iliac aery, D. Aoa
A: Internal pudendal aery
Answer: A: Internal pudendal aery 
Explanation: Due to ascent of kidneys during development, the blood supply of kidney changes:? 1) Initially when the kidneys are in pelvis, the renal aeries are branches of common iliac aeries. 2) With progressive ascent, the aeries to kidneys are derived from different levels of aoa.