The correct answer is C. Nomadic hunter-gatherers.
Explanation
The Paleolithic is the oldest of the prehistoric periods that were characterized by groups of humans who were dedicated to hunting animals for consumption and to use their bones and skins for the manufacture of objects such as clothes, weapons, tools, and accessories; they were also dedicated to gathering fruits from trees and plants for food. On the other hand, these communities were nomadic, that is, they did not have a fixed place of settlement, but they moved constantly looking for resources to live optimally. According to the above, the correct answer is C. Nomadic hunter-gatherers.