【题目】They've won their last three matches，__________ I find a bit surprising actually.
A. that B. when
C. what D. which
在线课程【答案】D
【解析】.
句意：他们已经赢了最后三场比赛，我发现这确实有点令人惊讶。本题考查非限制性定语从句。首先排除what，因为what不能引导定语从句；也排除A项，that不能引导非限制性定语从句；先行词是前面整个句子并在定语从句中作find的宾语，应该用关系代词，故排除when。