Question

After leaving college, Mike was employed in an international company and _____ there ever since

1. A.
   worked
2. B.
   has worked
3. C.
   had worked
4. D.
   was working

Answer 1

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。