Do you mind telling us what story you are referring to? :)
Answer:
a handbook of workouts used by elite swimmers
Answer:
B. Depressing
Explanation:
In the excerpt, the narrator is giving information about the previous and new place in which the characters are placed, and the general idea is that they were used to see property abandoned and dead animals (certainly not a very nice image). But, in this new place everything gets worse, and it turns out to be disturbing for the characters.
Answer:
Simply because of the roaring engines of the luxury bus.
Hope this helps.
Good luck.