I think maybe C? Not sure though, so don't take my word as gospel :)
Answer:
Teens these days are trying to get a lot of attention from their peers. They feel overflowed with joy when they get liked or have more likes or followers than their friend or other people! I don't really know why, but its just that the human mind works that way. Whenever youre more "popular" or get more attention than others you feel superior than others.
Hope this helps!
A cold or a high temperature, possibly even the flu
This excerpt might suggest that the world is a place to be observed in contemplation. As regards the words "rising and gliding", it might be said that Whitman used them to portray how the speaker is feeling, maybe he is happy to leave.
C. denounced, it means to publicly shame or call out.
