As a result of economic growth during the 1950s, the percentage of americans who were in the middle class

I believe the answer is: Increased dramatically

Middle class refers to the group of people who do not necessarily rich, but had enough wealth to sustain their living comfortably. During the economic growth, many people received an increase in their salary which lead to the rise of the middle class.

so the story tells of someone named kaushik choudhuri, but he does not narrate the story, a girl named hema does. hema tells the story in a second person point of view because you (the reader) are supposed to be the boy named kaushik.

here's an excerpt i found: "i was ushered into the fitting room, your mother watching approvingly as i took off my coat and sweater and tried on the bra."

source:

the answer is d. selective incorporation. (apex)