After he left college, he was employed in an international company and there ever since .
A.worked B.has worked C.had worked D.was working
After he left college, he was employed in an international company and there ever since .
A.worked B.has worked C.had worked D.was working
B
ever since是关键词,表示从一毕业到现在,他都在外企工作,用现在完成时。故选B。