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: Medicine
[{'content': 'Anuria is defined passing Less than _____ ml urine/day \nSelect and explain. \nA. 400ml, B. 3L, C. 100ml, D. 1000ml', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anuria\xa0 <100ml.\nOliguria\xa0 < 400ml.', 'role': 'assistant'}]