Which of the Following Statements Is True of American Politics

Which of the following statements is true of American politics?

A) Americans who are unhappy with the two major political parties cannot participate in American politics.
B) A key characteristic of recent politics has been the extreme nonpartisanship of party activists and members of Congress.
C) The rules governing campaign financing hinder the major parties as well as the minor parties.
D) Minor parties have found it extremely difficult to compete with the major parties for votes.
E) The rolling realignment after the elections of 1968 has resulted in parties that are much more heterogeneous.