Which of the following best describes a change in human society because of the Neolithic Revolution?   		A.	Before the Neolithic Revolution, people lived in organized societies; after the Neolithic Revolution people had to migrate from place to place.  		B.	Before the Neolithic Revolution, people developed complex social hierarchies; after the Neolithic Revolution, people had more social equality.  		C.	Before the Neolithic Revolution, people had developed many specialized jobs in society; after the Neolithic Revolution, people shared the jobs of hunting and gathering food.  		D.	Before the Neolithic Revolution, people obtained food by hunting and gathering; after the Neolithic Revolution, people domesticated plants and animals.