The correct answer is A. It is correct because it is a hyperbole, or a exaggerated statement.
The author was holding it till last to build suspense . the answer will be d
Dramatic Irony: The characters think one thing to be true, but the audience knows something else to be true
The reader already knows that all these irregular events are set up by Abigail. Though Danforth does not know this so he sides with her.
