Voters in Presidential Primaries and Caucuses Tend to Be

Voters in presidential primaries and caucuses tend to be

A) very similar to the rest of the United States population in terms of education and income.
B) older and more affluent than the United States population as a whole.
C) minorities and notably younger than the general population.
D) somewhat less educated and somewhat poorer on average than the United States population as a whole.
E) far less educated and much poorer on average than the United States population as a whole.