Which of the Following Is an Important Difference Between Interest

Which of the following is an important difference between interest groups and political parties?

A) Interest groups tend to have a narrow focus on special issues, while major political parties are generally all-encompassing with more broad ideological approaches.
B) Interest groups are for-profit organizations, whereas political parties are non-profit entities.
C) Interest groups are heavily regulated by federal election laws, whereas political parties enjoy considerable freedoms and prerogatives.
D) Interest groups may contribute unlimited and unreported amounts of money to political campaigns, whereas political parties have strong restrictions.
E) Approved interest groups receive funding from the federal government, whereas political parties must raise their funds privately.