问题补充：
Is she Gina? ———.She is Alice.
A. Yes, she is.
B. No, she isn’t
C. Yes, she isn’t.
D. No, she is.
答案：
A. Yes, she is.
(答案→)B. No, she isn’t
C. Yes, she isn’t.
D. No, she is.
解析：原句意思是：她是吉娜吗？不是，她不是。她是爱丽丝。A. Yes, she is.是的，她是；B. No, she isn’t不，她不是；C. Yes, she isn’t.是的，她不是；D. No, she is.不，她是。CD两种说法不符合英语习惯。故选B。
