1. (2019·福建) 听对话，回答小题。

Emma, you look sad. Why?<br />I failed my math test. I don't know why.<br />Let's look at your test paper. Now here, you made careless mistakes. Perhaps you were too nervous.<br />Yes, it seemed I forgot everything we had covered in class.<br />You should keep calm and be patient next time.<br />Thanks, Mr. Brown. I'll try my best.

1. （1） Why does Emma look unhappy?

   A . She failed her math exam. B . She did something wrong. C . She forgot everything.
3. （2） What is the probable relationship between the speakers?

   A . Brother and sister. B . Doctor and patient. C . Teacher and student.