The World Bank Categories Countries Based on GNI Per Capita,using

The World Bank categories countries based on GNI per capita,using the following categories:

A) undeveloped economies, developing economies, developed economies.
B) developed economies, industrializing economies, developing economies.
C) developing economies, newly industrializing economies, developed economies.
D) high-income economies, middle-income economies, low-income economies.
E) less developed economies, more developed economies.