B would be considered the most positive of the options given.
Much of this poverty was said to be "invisible." It affected Blacks in urban neighborhoods and whites in depressed rural areas like the Appalachian Mountains. Middle-class Americans never saw the misery in other sectors of American society. Poverty amid plenty was another paradox of the '50s, but most people were able to ignore it.
(hope this helps ^^)
Chocolates make us energetic
The answer could be that the author wanted to show readers how unjust, cruel, and incorrect prejudices can be. After the main conflict is resolved, the narrator goes on to prove how incorrect everyone's prejudices about the Duvitches were.
I read that book last year :)
