The flapper: a. represented a new political movement. b. demanded a return to earlier standards of behavior. c. epitomized the change in standards of sexual behavior. d. disapproved of smoking. e. represented a new economic radicalism.

Option c=> epitomized the change in standards of sexual behavior.

Explanation:

Before the word "flapper'' is been used to described the first set of independent or free women in the United States of America, but before it has first been used in Britain to describe clumsiness of a girl. The flappers are generation of women that were common in the 1920s and they are perceive or let me say most people's perception about these set of women is that they are not morally upright because of the way they talked, the way they danced and dressed.

Flappers, even though they did not last for so long, they are one of women's generation that actually push for sexual freedom for the female species of human beings and this makes Option 'c'' to be right.

c. epitomized the change in standards of sexual behavior.

Explanation:

The word flappers was used to refer to a popular group of young women in the 1920s who lived for the moment and contrary to what society expects from women as that time. Some of their characteristic features was that they wore short skirts and make-up which were considered sensual, listened to jazz which was a man's thing as at then, they epitomized a change in standards of sexual behavior in that they flouted sexual norms and treated sex in a casual manner.