--What kind of job have you ever done before?
--Oh, I for an engineering pany for three years,
A. work
B. have worked
C. worked
D. had worked
网友回答
A. work
B. have worked
(答案→)C. worked
D. had worked
解析：考查时态：句意：--你以前是做什么工作的？--哦，我在一家工程公司工作了三年。从What kind of job have you ever done before?可知第二个人现在不在这家工程公司工作，在那里的三年是过去的三年，用一般过去式，选C。