Answer:
Correct answer is D. Africa
Step-by-step explanation:
The map that has been used for this question can be found at us-static
D is the correct answer because undeveloped and countries in development are shown with red, orange and yellow color. As we can see that applies to most of African states.
B is not correct as South American countries are more developed than Africa (mostly colored with blue color).
A and C is not correct as Europe and North America are highly developed.