Which of the Following Is Not a Factor Contributing to the Stifled

Which of the following is not a factor contributing to the stifled impact of senior advocacy groups on policy making?

A) The layout of congressional committees and government agencies force senior groups to spread their efforts in Washington.
B) Many advocacy members die before they can effectively implement their strategies or gain enough political clout to initiate change.
C) Many members join for self-interested reasons not for political aims.
D) Senior groups show surges and declines in support from its members.