Nicholas Winton’s rescue action went unnoticed for half a century until in 1988 （） found a detailed scrapbook in their attic， containing lists of the children， their parents’ names， the names and addresses of the families that adopted these children.

Nicholas Winton’s rescue action went unnoticed for half a century until in 1988 （） found a detailed scrapbook in their attic， containing lists of the children， their parents’ names， the names and addresses of the families that adopted these children.
A、his neighbor
B、his daughter
C、his wife
D、a thief
正确答案：his wife