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
Epithelium of ureter develops from? 
Select and explain. 
A. Mesonephros, B. Metanephros, C. Pronephros, D. Paramesonephric duct
A: Mesonephros
Answer: A: Mesonephros 
Explanation: None