题干
一Can you speak Chinese，Kate?
一Yes，I ．But I speak it well．
A：can；can
B：can't：can't
C：can't；can
D：can；can't
答案(点此获取答案解析）
D
一Can you speak Chinese，Kate?
一Yes，I ．But I speak it well．
A：can；can
B：can't：can't
C：can't；can
D：can；can't
的单调递增区间是（ ）.
