在职攻硕英语考试

根据网考网考试中心的统计分析，以下试题在2019/5/24日在职攻硕英语习题练习中，答错率较高，为：97%
【单选题】Caller: Hello. I'm ringing about the flat advertised in today's STAR.______
Mrs. Green: Yes, it is. Two or three people have rung up about it, but nobody's been to see it yet.


A．Is it still available
B．Is it still empty
C．Is it still free
D．Is it still blank