What type of figurative language do lines 5 to 6 illustrate

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--"

What background knowledge would best support this inference about mario?

Eating while you drive a. increases your risk of being involved in a collision b. is only risky with heavily packaged foods c. should only be done with food that can be handled easily