How does the central idea of this passage serve as social commentary? it pokes fun at the working class using education to overcome oppression. it demonstrates how the russian revolution resulted in equality for the working class. it demonstrates how society greatly improved under communism in the soviet union. it shows how a power structure began to develop in a society that was meant to be classless.

answer is (d)

i cannot see any of the options

the author wants to draw the reader deeper into the experiences.

"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."