1. (2020·南海模拟) 听对话，回答以下小题

Hello, David. You are a bit late today.<br />Yes, Mrs. White. I'm sorry, but I forgot my book, and I...<br />You went back home for it?<br />Yes.<br />But you didn't have to. You could borrow one from your classmates.<br />Yeah, but I want to write some notes on the book, so I must use my own book.<br />Okay, sit down, please. Next time, do some earlier.<br />Thank you. I will.<br />Hello, David. You are a bit late today.<br />Yes, Mrs. White. I'm sorry, but I forgot my book, and I...<br />You went back home for it?<br />Yes.<br />But you didn't have to. You could borrow one from your classmates.<br />Yeah, but I want to write some notes on the book, so I must use my own book.<br />Okay, sit down, please. Next time, do some earlier.<br />Thank you. I will.

1. （1） Who is talking to David?

   A . His mother. B . His classmates. C . His teacher.
3. （2） Why did David go back home?

   A . To get his book. B . To borrow a book. C . To see his mother.