What is a thesis in a literary analysis ?

When grendel speaks of unferth and says "i could crush him like a fly" what literary device is being used

Johnny just received a failing grade on his science exam. lucy oversaw johnny’s paper, and she asked him about it. johnny snapped at her shouting, “it’s none of your business! ” which of the following is the psychological response johnny exhibited towards lucy? select one: a. dismay b. irritability c. hesitation d. hopelessness

Antony refers to brutus and his co conspirators as honorable.what effect does the continued repetition of this word have on the tone of the words around it?