Which of the Following Is True Regarding Political Participation in the U.S

Which of the following is true regarding political participation in the U.S.?

A) The number of people working in a political campaign has decreased dramatically over the past three decades.
B) Less than 9 percent of Americans are involved in political elections in any way.
C) Fewer than 5 percent of Americans contribute money to political campaigns, on average.
D) The number of people working in a political campaign has remained stable for the past three decades.
E) More than 40 percent of Americans regularly contribute money to political campaigns.