—My sister failed the driving test and is in low spirits —I’m sorry for her． —．A. Thank y

问题补充：

—My sister failed the driving test and is in low spirits．

—I’m sorry for her．

—．

A. Thank you

B. You’re welcome

C. I would think so

D. Never mind

答案：

(答案→)A. Thank you

B. You’re welcome

C. I would think so

D. Never mind

解析：考查交际用语。Thank you谢谢你；You’re welcome欢迎你；I would think so我会这样想；Never mind不要介意。根据上文，我的妹妹在驾考中失败了，情绪很低落。——我为她感到很遗憾。选A最符合语境。