In the United States, less than half as many multifamily housing units were produced in the 1990s than in each of the previous two decades.
-
Aless than half as many multifamily housing units were produced in the 1990s than
分析该选项
-
Bless than half as many multifamily housing units had been produced in the 1990s as
分析该选项
-
Cthere were less than half as many multifamily housing units produced in the 1990s than
分析该选项
-
Dfewer than half as many multifamily housing units were produced in the 1990s as
分析该选项
-
Efewer than half as many multifamily housing units had been produced in the 1990s than
分析该选项
显示答案
正确答案: D