He is a financial manager in Wall Street now, but nobody knows he part-time jobs here and there for survival for eight years.
A. does
B. did
C. had done
D. has done
网友回答
A. does
(答案→)B. did
C. had done
D. has done
解析：考查时态：句意：他是华尔街的财政经理，但是没有人知道他有8年的时间为了生存到处打工。因为现在是华尔街的财政经理，8年的打工是在过去发生的，用一般过去时，选B。