Answer:
One must work hard to achieve goals in life.
Hey, this is Mr. Mungall, your teacher--and since I created this content and own the copyright, I suggest you call me so I can help you with the content directly.
The correct answer would be option C: "feels slightly foolish about the events that occur", this due to the way the excerpt is written, since, it seems the author wanted to let the readers know that the narrator isn't stupid, so that they keep that in mind, when they read about a foolish thing said narrator did. If the narrator did something dumb, then option A and B would be discarded, as would option D.
Answer:
to restore or improve something
Explanation: