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
All of the following indicators represent Human Development Index, except: 
Select and explain. 
A. Life Expectancy at Bih, B. Life Expectancy at 1 year of age, C. Education, D. GDP
B: Life Expectancy at 1 year of age
Answer: B: Life Expectancy at 1 year of age 
Explanation: Human Development Index (HDI) is defined as "a composite index combining indicators representing three dimensions, longevity (life expectancy at bih), knowledge (adult literacy rate and mean years of schooling) and income (real GDP per capita in purchasing power parity in US dollars)." Ref: Preventive and Social Medicine, by K.Park, 19th edition, Page 15-17.