The way a person might understand a story or bring it to life.
B, because it has multiple subjects and verbs, and more than 1 clause.
:)-Kibeye
I would agree with you - the conclusion should leave readers with an important thought at the end.
This thought should never be new, or opposing to the previous ideas you had been writing before. It also shouldn't be confusing, but quite conversely - it should explain everything and put everything in place.