She thought I was talking about her daughter in fact I was talking with my daughter.A. who

问题补充：

She thought I was talking about her daughter in fact，I was talking with my daughter.

A. whom

B. where

C. which

D. while

答案：

A. whom

B. where

C. which

(答案→)D. while

解析：D【点拨】此处用while表示转折，意为“然而”。句意为她认为我在淡论她的女儿，而实际上，我在谈论我的女儿”。