Select the correct text in the passage. What part of this excerpt from Edgar Allan Poe's "The Cask of Amontillado" uses irony? "Come," I said, with decision, "we will go back; your health is precious. You are rich, respected, admired, beloved; you are happy, as once I was. You are a man to be missed. For me it is no matter. We will go back; you will be ill, and I cannot be responsible. Besides, there is Luchresi–" "Enough," he said; "the cough's a mere nothing; it will not kill me. I shall not die of a cough." "True–true," I replied; "and, indeed, I had no intention of alarming you unnecessarily–but you should use all proper caution . . ."