Answer:
The correct answer is that Dan Pink and the RSA used media to entertain the audience to portray their messages through pictures and different images for people to be engaged on their presentations.
The line itself is saying that killing someone will make sure they can't hurt you, since dead men don't bite. That makes Billy's character seem like he led a rough life which is what I would answer with. He is not jovial, because that means cheerful, and the line doesn't give indication that all of Billy's friends are dead or that he doesn't like to think of the future, so I'd say answer A.
Over come with happiness
That’s the real answer and not some random words