The Irony is "Oh, I just love Mondays," she whispers as she sinks her head on her arms." This type of irony is Verbal irony. Verbal irony is when someone says the opposite of what they mean.
Dramatic Irony is "understood by the audience but not grasped by the characters in the play."
Situational Irony involves "a situation in which actions have an effect that is opposite from what was intended, so that the outcome is contrary to what was expected."
The answer is A... Verbal Irony
Well an expository essay is a writing peice that explains your topic or whatever you plan to write about and when you write you can really use any method but it has to sound right and feel right.