Mike his car, for he came to work by bus this morning
A. can have found
B. could have found
C. can’t have found
D. mustn’t have found
网友回答
A. can have found
B. could have found
(答案→)C. can’t have found
D. mustn’t have found
解析：考查情态动词+have done的用法，can’t have done是过去不可能做了什么，must接have done只能用于肯定句，句意：迈克不可能发现他的车，因为今天早上他是做公共汽车上的班。选C。