The writer uses a lot of adjectives that portray the rat as a dirty creature, and by using enumeration with the feelings, he conveys that the character is overwhelmed . Also, the use of similes helps us a visual image of the rat,maki g us feel as though we were there to experience this ourselves.
A theme could be "life or death" because throughout the novel because for an example Montags wife attempts suicide until montag finds her and calls for emergency help and saves her life, and while they were trying to help her its unclear if she was going to live or die, so while all this is happening monag starts to womder what life really is.
B, because there is quotations and you have to start a new line when someone else is talking.
THe author is speaking to an unknown person asking typical questions