Ehrenreich believes that affluent Americans tend not to notice or understand the lives of the poor and working class because
A. despite differences in income, the rich and poor tend to wear the same
clothes
B. the poor are adept at hiding their poverty
C. the rich and poor tend to live in increasingly separate worlds and environments
D. affluent Americans dismiss most poor people as drugs addicts
E. there is such a small amount of poverty in America that it is hard to recognize