Answer:
Any critic will tell you that Montresor is “a classic example of an unreliable narrator.” And this is probably true: if he's capable of plastering Fortunato into a vault, we can't trust him. If he's lying, and he didn't kill Fortunato, then we still can't trust him.
Explanation:
D. The blocks were being laid in a circle
To ask someone earnestly or to treat someone in a specified manner