Which Statement About Interest Groups Andpolitical Parties Is True

Which statement about interest groups andpolitical parties is true?

A) A party has a narrowfocus, whereas an interest group isbroadly focused.
B) Bothinterest groups and political partiesare broadly focused.
C) Both parties and interest groups try to gain power by runningcandidates in elections.
D) Both interest groups and political parties are concerned with public policy.
E) Political parties work entirely behind the scenes.