She realized that her neighbors were made up of all kinds of people. They held different jobs, had different-sized
families, and had different needs. They all were just trying
to do the best they could. What interested her was that
while not everyone was good, they did all make a
community. Mr. Hall had shown his true prejudice. Ms.
Jessica turned a blind eye to the hungry Bower kids next
door. But my mother secretly left cookies on old man
Smith's door. And Mrs. Dourney always made time to say
hello to passersby.
Which common literary theme is best illustrated by this passage?
A. The ineffectiveness of words
B. The struggle against nature
C. The pain of isolation
D. The coexistence of good and evil