The Concept That Interest Groups Are Really an Elitist Phenomenon

The concept that interest groups are really an elitist phenomenon rather than a manifestation of pluralism is supported by which of the following facts?

A) Public-interest groups are the most powerful groups.
B) Only a small percentage of the interest groups lobbying Congress are business groups.
C) The power of unions has declined over the past three decades.
D) Religious groups and recreational groups have the largest financial footprint in Washington, D.C.
E) Most Americans are not represented by interest groups.