---Tom’s been sent to the USA for further study. What about his twin sister?
--- .How lucky they are!
A. So has she
B. She is too
C. So is she
D. So she has
网友回答
(答案→)A. So has she
B. She is too
C. So is she
D. So she has
解析：考查倒装句。根据How lucky they are!可知她双胞胎妹妹也去了美国。A她也一样。B的时态错了，应该改为she has too. C应该改为so has she.D的确如此。强调前面的情况属实。