According to the Text

According to the text

A) contrary to popular belief, politics is less polarized now than it was fifty years ago.
B) U.S. politics is more divided by income and social class than it is by race.
C) throughout the twentieth century, the vast majority of southern whites voted Republican.
D) in the past half-century, differences within the Democratic and Republican parties have gotten larger at the same time as differences between the two parties have become smaller.
E) in the past half-century, differences within the Democratic and Republican parties have gotten smaller at the same time as differences between the two parties have become larger.