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
[{'content': 'Epithelium of ureter develops from? \nSelect and explain. \nA. Mesonephros, B. Metanephros, C. Pronephros, D. Paramesonephric duct', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]