1. Introduce urself
2. Treat them kindly
3. Offer them help
A group leader's ability to encourage critical thinking can motivate their group-mates to engage their thinking skills and frontal cortex of the brain. As for the group's benefit, you will produce more thought out ideas, and ideas of higher levels of thought.
So when people make tragic movies there is always a theme to them or a goal the author is trying to get out. It might be a sad movie that a lot of bad things happen but in the end usually something good comes out of it and that can help people, or can even be more interesting, to be a successful story.
The answer would be letter c..