The correct answer is A. The Human Development Index (HDI)
Step-by-step explanation
The Human Development Index (HDI) is an indicator of human development by country, prepared by the United Nations, which in recent years has evolved into the Inequality-Adjusted Development Index (HDI). It is an indicator of the average achievements obtained in the human development of the population of the countries. It is obtained from factors such as health and life expectancy at birth; that of education according to the average years of schooling of adults aged 25 and over and the expected years of schooling of school-age children. The standard of living dimension is measured according to GDP per capita. Therefore, the correct answer is A. The Human Development Index (HDI)