Which sentence uses who correctly? Who did you call?

To who are you speaking?

From who did you receive the call?

Who is the person that I should call?

Hich excerpt from "the cask of amontillado" best infers what will be fortunato's downfall? the gait of my friend was unsteady, and the bells upon his cap jingled as he strode he had a weak point --this fortunato --although in other regards he was a man to be respected and even feared. he prided himself on his connoisseurship in wine. "nitre," i replied. "how long have you had that cough? " "my friend, no; i will not impose upon your good nature. i perceive you have an engagement. luchresi--"

Which statement best summarizes the author’s claim?

Which best expresses the irony present in this passage?