In contemporary societies, division of labor is most likely to be based on

A) intelligence and ability
B) age, gender, race, and class distinctions
C) interest and enthusiasm
D) religion and moral beliefs

The division of labor in contemporary societies is mostly based on social constructs such as age, gender, race, and class distinctions. These factors determine the type of work individuals are likely to engage in and the opportunities available to them in the labor market. Intelligence and ability, interest and enthusiasm, and religion and moral beliefs may affect one's job performance, but they are not the primary determinants of the division of labor in contemporary societies.