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: Dental
[{'content': 'Most of the values in data spread along the \nSelect and explain. \nA. Mean, B. Mode, C. Median, D. Arithmetic mean', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]