I think the answer is: A. Personification
I hope this helps!
HI! I dont know what the story is but for the first qustion i belive its B
the answer is A) because it can be anyones opinion for what the situation is. shes stating that theres a undercurrent of intense excitement.
hope this helped:)
The only answer chose that can not be increase is B. Seasons, there are set days for the beginning and ending of each season that does not change.
All the others can be increased.
Hope this helps you. :-)