She's not a dancing teacher, is she? .
A. Yes, and she isn'
B. Yes, but she was
C. No, but she isn't
D. No, but she was
网友回答
A. Yes, and she isn'
B. Yes, but she was
C. No, but she isn't
(答案→)D. No, but she was
解析：可视为 No, she isn't. But she was a dancing teacher. 之省略，即其意为她现在不是舞蹈教师，但她过去是。此题也可以是 No, but she used to be.