Yes this sentence is a fragment. It doesn't have a predicate and sentences need to have a subject and a verb (predicate) in order to be complete.
Mom Dad did you know that 9 out of 10 doctors recommend getting a rabbit to cut down on depression? I mean just look at them they are so small and helpless whats to stop a cat or a bird to swoop down and eat the poor bunny? if you don't believe me go ask Tommy he has a rabbit.
Fought is the past tense and past participle of fight.
the answer is b a simile .
The best answer would be the main idea and the main sentence that supports the text, so those would be your answers.