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【单选题】
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 upA.
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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