A Key Advantage That Groups Like the Christian Coalition,AARP,and the National

A key advantage that groups like the Christian Coalition,AARP,and the National Rifle Association have over other interest groups is ______.

A) that Congress knows members believe in the cause because they don't provide selective incentives
B) that their small memberships located in select areas of the country can intensely pressure particular regions and, therefore, members of Congress
C) fresh ideas because they don't use the media to spread their message
D) a large membership that is intensely dedicated to their causes and can be mobilized quickly to exert pressure on Congress
E) that they have little negative history built up in dealings with Congress