The correct answer is option c that is, changing the role of women.
The flappers were young, scandalous, and liberated. They denied the older ways and became excited over the popular culture and jazz. They did what the society did not anticipated from the young women.
They smoked, danced to Jazz Age music, they spoke their own language, they wore makeup, and they lived for the moment. The flapper fashion followed the lifestyle, and the look became trendy due to the lifestyle.