Read the following excerpt and answer the questions that follow. Excerpt from George Bernard Shaw's play Pygmalion

CLARA [all smiles] I will. Good-bye. Such nonsense, all this early Victorian prudery!
HIGGINS [tempting her] Such nonsense!
CLARA. Such bloody nonsense!
MRS. EYNSFORD HILL [convulsively] Clara!
CLARA. Ha! ha! [She goes out radiant, conscious of being thoroughly up to date, and is heard descending the stairs in a stream of silvery laughter].

Clara’s willingness to mimic Eliza helps develop which of the following themes?

Clara shows that upper class individuals have better manners than poor individuals.
Clara shows that poor individuals have better manners than upper class individuals.
Clara shows that all one needs to manners to pass off as a member of the upper class.
Clara shows that social class and manners are not innate and natural.