The correct option is D UNPD uses Human Development Index, whereas the World Bank uses per capita income to measure development.
The UNDP uses the Human Development Index. HDI has three indicators: life expectancy, education, and per capita income.
Whereas, the World Bank classifies countries based on only per capita income. It classifies into the following categories: low-income countries, lower-middle-income countries, higher-middle-income countries, and high-income countries.