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: Social & Preventive Medicine
[{'content': 'The median of values 2, 5, 7, 10, 10, 13, 25 - \nSelect and explain. \nA. 10, B. 13, C. 25, D. 5', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]