Why Is There Concern About the Tsetse Fly in Sub-Saharan

Why is there concern about the tsetse fly in Sub-Saharan Africa?

A) The tsetse fly spreads HIV/AIDS.
B) The tsetse fly is an important part of the food chain in Sub-Saharan Africa; without it, African wildlife could not exist.
C) The tsetse fly spreads sleeping sickness to humans, cattle, and some wildlife.
D) The tsetse fly is an endangered species, found only in a small corner of Cameroon.
E) The tsetse fly exists in vast numbers, laying its eggs in the rainforests of Sub-Saharan Africa, and contributing to deforestation.