If you are too full of yourself, you could eventually fail.
Explanation:
Maybe you're in a contest, and you're convinced that you're too good and too fast so you'll be able to procrastinate and finish last minute. So, you do fun things instead of working, and you end up realizing the contest was harder than you thought, so you got last place. Having too much pride can turn out really badly for you, if you're not careful.
having to much pride can force you to believe that you're better than everyone else. No one will want to be your friend and people would probably start saying things that are mean to make you fall
It is C because you can tell by the choice of words you can tell Don's tone is angry and now that don said that no one will trust Steve meaning they won't trust him to be the leader
