Why aren't you listening

　　Teacher: Jack, why aren't you listening?

　　Jack: But, teacher, I'm listening.

　　Teacher: If you were listening, tell me what I said just now.

　　Jack: You said, "Jack, why aren't you listening?"

　　老师：杰克，你为什么不认真听课?

　　杰克：老师，我正在听课呀!

　　老师：如果你刚才在听课，那告诉我刚才我说的什么。

　　杰克：您说的是：“杰克，你为什么不认真听课?”