Does it make any difference he refuses or accepts the invitation?
A. whether
B. which
C. if
D. that
网友回答
(答案→)A. whether
B. which
C. if
D. that
解析:主要测试主语从句。从具体语境可知句子中的代词it应该属于形式主语,另外句子 he refuses or accepts the invitation中含有or可知应该属于选择性句子,故此答案为whether。译文:无论他拒绝还是接受邀请,还产生不同吗?