Answer:
The hunter-gatherers lived in all types of environments.
Step-by-step explanation:
A is correct because the hunter-gatherers were living in all sorts of different environments, or rather they were living in an environment if it provided enough food and water for their needs, which was anywhere from savannas and steppes, to forests and jungles.
B is not correct because the hunter-gatherers lived in many different environments, including the flat grasslands.
C is not correct because the hunter-gatherers avoided the deserts as they did not provide enough food and water for their survival.
D is not correct because the hunter-gatherers were living in other environments as well.