Explain the dramatic irony in gregors observation that "a stranger would have thought that he had been lying in wait there and had wanted to bite her"

20 points plus brainlest answer if right.joe nesbo, a travelling salesman, was staying at a hotel for business. he was having a dinner meeting that night, so he decided to take a nap in the middle of the afternoon. he was awakened by a knock at the door, and then a man walked in. “oh my, i’m terribly sorry, this isn’t my room. , pardon the intrusion.” the man calmly backed out and left. nesbo got up and locked the door – something he forgot to do before his nap – and lay back down on the bed. but then he shot up in bed and called the lobby to tell them there was a burglar on the prowl. what made nesbo think that?