The purpose of a climax is to add action in a story and keep your readers entertained. It is typically the most exciting part in a story, and it also might explain some things that happened in previous encounters.
The purpose of the climax of a story is to turn the story around in order to help transition into the falling action. This is why the climax is also referred to as the Turning Point, the climax is also were the most tension is.
He considers it a leap of faith because he was very scared to do it and when he decided to put his fear aside and jump he ended up making the diving team.
I would go with B based on the information provided here. However I would suggest that you go back and read through. It may make more sense the second time through.
