Please answer quickly! Will give brainliest to whomever answers it correctly and first!

What is South Africa’s biggest economic challenge?

A. It has few natural resources.

B. Its economy is too dependent on the service industries and not enough on mining.

C. Its history of apartheid has resulted in high poverty rates among its black population.

D. It has to import too much of its oil.

Please select the best answer from the choices provided