Which of the Following Describes Agenda Setting

Which of the following describes agenda setting? 

A)  The attempt of political candidates to gain damaging information about an opposing candidate 
B)  The ability of a campaign manager to manipulate news coverage to gain media exposure for a political candidate 
C)  The media's ability to determine which issues are considered important by the public and politicians 
D)  Political advertising undertaken for the purpose of discrediting an opposing candidate in voters' eyes 
E)  The ability of a campaign manager to convince reporters to give a particular event a spin that is favorable to a candidate