.Great changes in the city and a lot of factories .
A. have been taken place…have been set up
B. have taken place…have been set up
C. have taken place…have set up
D. were taken place…were set up
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(答案→)A. have been taken place…have been set up
B. have taken place…have been set up
C. have taken place…have set up
D. were taken place…were set up
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