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
[{'content': 'Ectopic ureter may be frequently associated with- \nSelect and explain. \nA. Oliguria, B. Dysuria, C. Bilateral hydroureter, D. paradoxical incontinence', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]