Which of the Following Is NOT True About Political Parties

Which of the following is NOT true about political parties in the United States?

A) Institutionally,and across the states,political parties are equally powerful.
B) Political parties allow people to come together to articulate a political viewpoint.
C) Political parties help nurture political leaders,mobilize citizens to vote,and formulate public policy.
D) Some observers feel that the most important factor in state politics is the political party.