Division of Labor in Industrial Societies Is Often Divided into Three

Division of labor in industrial societies is often divided into three sectors: the primary sector, involved in the extraction of energy and raw materials; the secondary sector, consisting of the factories which process the raw materials; and the tertiary sector, which includes services. At present, the most industrially advanced societies have the vast majority of people employed in the:

A) primary sector
B) secondary sector
C) tertiary sector
D) The workers are split evenly among these three sectors in order to maintain a balance in production and consumption.