This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Human development index (HDI) includes all except- \nSelect and explain. \nA. Adult literacy rate, B. Infant moality rate, C. Per capital, D. Life expectancy at bih', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .human developmemt index is defined as a composite index combining i9ndicators such as life expectancy at bih,adult literacy rate and mean years of schooling and income real GDP per capita . ref:parks textbook,22nd ed,pg no 16', 'role': 'assistant'}]