题干
—Do the students like action movies?—_______________.
A：Yes, they like.
B：Yes, they likes.
C：Yes, they do.
D：Yes, they does.
答案(点此获取答案解析）
C
—Do the students like action movies?—_______________.
A：Yes, they like.
B：Yes, they likes.
C：Yes, they do.
D：Yes, they does.
在闭区间
上恒成立，则实数
的取值范围是：（ ）