问题补充：
— Did your sister pass the exam?
— She failed and is in low spirits.
— Im sorry for her.
— .
A. Thank you
B. You e welcome
C. I would think so
D. Never mind
答案：
(答案→)A. Thank you
B. You e welcome
C. I would think so
D. Never mind
解析：A. Thank you谢谢，B. You e welcome不用谢，C. I would think so我会这么认为，D. Never mind没关系，句意：--你姐姐通过考试了吗？--她失败了，而且情绪很低落。--我为她感到遗憾。--（对别人的关心应该说）谢谢。
