You______yesterdayifyouwerereallyseriousaboutthejo

You ______ yesterday if you were really serious about the job.

A. ought to come

B. ought come

C. ought have come

D. ought to have come

正确答案：D
17．考查情态动词及其时态Oughttodosth应该做某事排除选项B和C条件从句的时态为过去时主句有yesterday说明是过去发生的事情情态动词后用完成时表示已发生的动作选项D是正确的