题干
— Is it in your desk?
—__________ ( )
A：Yes, it isn't.
B：No, it isn't.
C：Yes, she is.
答案(点此获取答案解析）
B
— Is it in your desk?
—__________ ( )
A：Yes, it isn't.
B：No, it isn't.
C：Yes, she is.
是最常见的方解石，