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': "Which of the following fluid should not be given in the first 24 hours after surgery: \nSelect and explain. \nA. 5% dextrose., B. 0.9% NaCl solution., C. RL solution., D. Darrow's solution.", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]