单选题I’m surprised that he&nbs

问题补充：

单选题I’msurprisedthathe_____intheexam.A.should failB.would have failedC.may have failedD.should have failed

答案：

D解析should可用于表示惊奇、感叹、不满等感情色彩的句子，如指过去的动作，则要用should have done sth. Would 和 may通常不带感情色彩。