School integration plans that involve busing between suburban and central city areas have contributed, according to a recent stu

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问题 School integration plans that involve busing between suburban and central city areas have contributed, according to a recent study, to______any future need for busing.

选项 A、significant increases in housing integration, which, in turn, reduces
B、significant integration increases in housing, which, in turn, reduces
C、increases housing integration significantly, which, in turn, reduces
D、increases housing integration significantly, which, in turn, reduce

答案A

解析 to是介词,后面应接名词或名词性从句。
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