题干
—Are they hens? —_______________.
A：Yes, they aren't.
B：Yes, it is.
C：No, they aren't.
答案(点此获取答案解析）
C
—Are they hens? —_______________.
A：Yes, they aren't.
B：Yes, it is.
C：No, they aren't.
里填上正确的数．
