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: Physiology
[{'content': 'The normal adult value of urine output: \nSelect and explain. \nA. 1.5 l /day, B. 3 l /day, C. 0.5 l /day, D. 2 l /day', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]