This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Indicators of Health, Subject name: Social & Preventive Medicine
[{'content': 'Human development index value is \nSelect and explain. \nA. 0 - 1, B. 0 - 100, C. Any number, D. No number', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) 0 - 1Ref: K. Park 23rded. /17* The HDI value ranges between 0 to 1.* This value for a country shows the distance that it has already travelled towards maximum possible value of 1 and also allows comparisons with other countries.', 'role': 'assistant'}]