题干
—We’re going to have a soccer match with Class 2 this afternoon.
—_______.
A：Thank you
B：Good luck to you
C：Not at all
D：It doesn’t matter
答案(点此获取答案解析）
B
—We’re going to have a soccer match with Class 2 this afternoon.
—_______.
A：Thank you
B：Good luck to you
C：Not at all
D：It doesn’t matter
，
，
的斜率分别为
，
，
，则( )