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': 'Recommended Dextrose fluid conc. in adult patient is \nSelect and explain. \nA. 5%, B. 10%, C. 25%, D. 50%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]