By Selecting Which Events ________ Help(s) Define What Is Important

By selecting which events ________ help(s) define what is important for the public.

A) to go to and how expensive they are, the legislature
B) to produce and how well attended they are, the party machine
C) to attend and how to approach legislators, lobbying groups
D) to sponsor and how well attended they are, interest groups
E) to report on and how comprehensively to cover them, the media