Which statement best explains how a character communicates the author's purpose in the number devil?

robert dreaming about a racing bike with twenty-eight gears reveals that the author's purpose for writing is to inform.

robert having dreams that make him wake up drenched in sweat reveals that the author's purpose for writing is to entertain.

the number devil describing numbers as simple reveals that the author's purpose for writing is to persuade.

the number devil asking robert why he is so suspicious reveals that the author's purpose for writing is to inform.

a, a knight

services provided to people and organizations.answer

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."