You would want to use B. sentimental here because it's defined as nostalgia or a feeling of tenderness or sadness for something, which in this case would be all of the memories that Jeremiah had in high school.
This question dont make sense to me<span />
you have to be more specific .....
Consent means for permission like if you wanted to go out you would want your parents consent
Be candid, straightforward, and to the point. Was it a happy ending, or a sad ending?
Be sure to stick with the tone, and feeling of the entire narrative.