从方框中选择合适的句子补全下面的对话。

A. Please hurry up. B. What time is it now? C. Goodbye, Mom. D. Oh! It's time to go to school. E. Look! It's on the chair.

Mike: Excuse me, Mom.

Mom: It's 7:30.

Mike:

Mom: Yes.

Mike: OK. But where is my schoolbag?

Mom:

Mike: Oh! Thank you, Mom.

Mom: Bye, Mike.