Which closing sentences to a story best show a character reflecting on a larger meaning found in a conflict?

A. As on overachiever determined to get a good score on the SAT, I was able to get into an Ivy League college.
B. By asserting my individuality in spite of the negative qualities ascribed to my generation, I learned the importance of being true to one's own nature.
C. By accepting my parents' help in achieving my goals, I was able to attend the college of my choice and earn a prestigious degree.
D. By accomplishing my goal and earning a degree, I learned that "the world is my oyster" and that I am entitled to succeed in life.