题干
Jack always sleeps late on Sundays. I’m sure he ______when we get home.
A：is still sleeping
B：is to be slee
C：will still be sleeping
D：will be about to slee
答案(点此获取答案解析）
C
)是定义在R上的偶函数,且在区间(-∞,-1)上是增函数,则此函数在