The correct answer and the reason the author repeats the phrase "turn off your television" is C. inspire the audience to take action.
That sentence is extracted the "I Have a Dream" speech delivered by Martin Luther King Jr. in August 28, 1963. Contextualized in that speech, Martin Luther King Jr is asking the audience to turn off the television and talk to their families and learn what they have to say, to talk to their communities and connect with the world around them, inspiring them to take action.
