–Mary looks down today, what’s up?
--Well, happened between Mary and me is none of your business.
A. whichever
B. no matter which
C. whatever
D. no matter what
网友回答
A. whichever
B. no matter which
(答案→)C. whatever
D. no matter what
解析：句意：---玛丽今天看起来很沮丧，怎么了？--我和玛丽之间发生的任何事和你无关。这里是whatever引导主语从句，whatever引导主语从句，相当于anything that，所以选C。