单选题_____AretainBremoveCreplaceDreduce

单选题
_____
A

retain

B

remove

C

replace

D

reduce


参考解析

解析:
由前文处提及的更好、更便宜的公共交通为人们所需,可以推知,人们试图减少小汽车的使用,从后文处许多人骑自行车或坐公车上班,故选D。

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