Answer:
D. they began farming
Explanation:
The revolution of the Neolithic one consisted of the discovery of own forms of food production from agriculture and livestock.
This revolution was uneven depending on the geography in which it was developed, therefore it caused a series of slow transformations. It was a domestication process performed by artificial selection. These transformations coexisted with life forms typical of the Paleolithic.
Wild wheat and barley were the first cereals that were domesticated in the IX millennium BC in the Levantine region of the Middle East. However, there is already evidence of the existence of bread made in the Mesolithic. Subsequently, other species such as lentils, peas, spelled and flax were domesticated.
