问题
选择题
Peter ________ at this job since he graduated from college.
A．is employed
B．was employed
C．has been employed
D．had been employed
答案
答案：C
题目分析：句意：自从大学毕业Peter一直受雇于这个工作。根据since he graduated from college.可知用现在完成时，而且Peter和employ是被动关系，用现在进行时的被动，所以选C。
