题干
—Hi, Betty. Your skirt looks beautiful.
—_________.
A：Really?
B：Oh, no.
C：Thanks a lot.
答案(点此获取答案解析）
C
—Hi, Betty. Your skirt looks beautiful.
—_________.
A：Really?
B：Oh, no.
C：Thanks a lot.
若关于
的函数
有8个不同的零点， 则实数
的取值范围是（ ）
