Question

---- Your sister isn’t a nurse, is she?
----- ________. She teaches English in a middle school.
A. No, she isn’t    B. yes, she is        C. Yes, she isn’t   

Answer 1

A

英語中反義疑問句的回答只依據事實回答，B選項首字母沒大寫，C選項前后矛盾，故選A。