In Less-Developed Countries, Many Species Are Being Harvested Unsustainably Because

In less-developed countries, many species are being harvested unsustainably because:

A) they are considered a danger to humans.
B) the people must eat or sell the species' products to survive.
C) they are hunted and killed because they carry human diseases.
D) people thoughtlessly destroy what they do not need.
E) pollution has reduced their population sizes dramatically.