Imagine That a World-Renowned Motivational Speaker Visits Your Class

Multiple Choice

Imagine that a world-renowned motivational speaker visits your class. After being introduced by your professor, the first thing he does is ask you and your classmates to get out your smartphones. He then instructs you all to turn your smartphones off. The audience groans, he waits, and then begins his speech. Most likely the speaker did that to__________ . 

A) establish his role as the sender
B) ensure his message will be transmitted
C) ensure noise will not compromise his message
D) establish the channel