I will give brainliest to you!

Ever since she was little people so amelia she wouldn't become a doctor starting in ninth grade she decided to prove them wrong. She made Straight-A's all through high school and college. The students around her partied and formed relationships, but amelia barely paid attention. She didn't have time for that kind of nonsense. She would become a doctor and start a career with the bang.

Which ending to the story most clearly serves as an anti-climax?

A. Suddenly, just as she was about to graduate from medical school, the world ended.
B. But then a rival showed up: someone just as studious as her and twice as aggressive.
C. However, try as she might, she just couldn't study hard enough to pass the many exams.
D. Amelia had to call in a few favors, but ultimately, she was able to become a doctor