Which of the Following Examples BEST Illustrates the Political Concept

Which of the following examples BEST illustrates the political concept of a "cohort"?

A) small children mimicking the political beliefs of their parents
B) voters supporting particular candidates on the basis of shared race or ethnicity
C) the tendency of men, taken as a group, to hold different views from women on key issues
D) young adults whose political beliefs have more in common with those of other people their own age than with those of their parents
E) citizens who combine their efforts in order to pressure lawmakers into pursuing particular policies