问题
选择题
After leaving college, Mike was employed in an international company and _____ there ever since.
A．worked
B．has worked
C．had worked
D．was working
答案
答案：B
考查时态，句意：麦克大学毕业之后，他被一家国际公司雇佣自从那时候起他就一直在那工作。根据语境动作是从过去一直持续到现在，所以用现在完成时态，选B。
