The word harbingers as it is used in this excerpt is a person or thing that announces or signals the approach of another.
A simile is when as or like is used to compare two unalike things.
Personification is giving something not human, human characteristics.
Irony is calling a big dog tiny.
D
D
A
B
C
I am not 100% sure these are correct. You can always ask your teacher for a redo though.
The novel is really old and now a days no one is gonna sit and read it