The answer is D.
(Edited to combat confusion)
~Hello there! ^_^
Your question: What area with nearly 2 million life forms was created to protect At the wildlife of the country with the largest economy in Africa?
Your answer: Kruger National Park is the area with nearly 2 million life forms that was created to protect the wildlife of the country with the largest economy in Africa.
Hope this helps~
B. The curtains on the windows of a bedroom.
The rest of the choices are not man-made which would not be infrastructure.
The first one is a the second one is a i think the third one is a and the last one is b