The majority of political action committees (PACs) represent

A) the working class and poor people.
B) business and professional groups.
C) Republicans and Democrats.
D) environmental groups and religious organizations.

Business and professional groups are the primary donors to political action committees (PACs), as they seek to influence policy decisions that affect their industries or professions. PACs affiliated with political parties and interest groups representing environmental issues, religion, and the working-class and poor people also exist but are less prevalent. Business interests are dominant in PACs due to their ability to donate large sums of money to campaigns.