题干
— Would you please not make so much noise?
—__________, we will be quiet.
A：No, we will
B：No, we won't
C：Sorry, we won't
D：Sorry, we will
答案(点此获取答案解析）
C
— Would you please not make so much noise?
—__________, we will be quiet.
A：No, we will
B：No, we won't
C：Sorry, we won't
D：Sorry, we will
，则a的所有可能值组成的集合为