In a society overwhelmed by communications, what is the communicator's main challenge?

A$)$ to bombard the target audience with messages of every variety $($traditional and nontraditiona at the same time

B$)$ to make millions of dollars for public relations professionals

C$)$ to convince people that public relations is important

D$)$ to cut through communications that come from many sources to deliver an argument that is persuasive, believable, and actionable