"it's a small world" relates to C people are closer to modern travel because traveling today is a lot faster than it was in the 1800's or even 1700's.
The second option “he is very proud” because when someone is proud they feel satisfaction over something regarded as highly honorable to oneself. And when dave refused to give up his place on the team after being hurt showed he was proud
I believe it’s option B.
hope this helps :)