The writer is working on Sentence 31. She has written several options. Which sentence would be best for her to include, given the passage content?
A.
"I've been training the last three weeks—at first those two massive hills really challenged my pace, but last Wednesday I finally found my stride."
B.
"I see your stepfather over on the sidelines—that's awfully nice that he came to support you today."
C.
"I hope that we can be friends after the race—I've always wanted to hang out with you."
D.
"I can hardly fathom that I'm skipping my horseback riding lesson to run in a race—it's ridiculous that I have to compete wearing riding boots, but that's how things go sometimes."