Why is the woman upset?
You look upset.<br />Is there anything wrong?<br />Oh, I'm really in a bad mood today, you know.<br />Although I had prepared for my math test,<br />I think I failed it.<br />Because it was too hard.
A . Because she is worried about the maths test result.
B . Because she didn't prepare for the maths test.
C . Because she has failed to pass the maths test.
答案:A