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单选题 60.如今人们有了更多的闲暇时间,因而对各种服务的需求增长得如此快。

A

People now have more leisure time, that is why the demand for services has increased so rapidly.

B

People now have more leisure time, which is the reason why the demand for services has increased so rapidly.

C

People now have more leisure time, which is the reason why the demand for services has been increased so rapidly.

D

People now have more leisure time, which is why the demand for services has been increased so rapidly.

正确答案 :B

解析

A项that不能引导非限制性定语从句,故排除。C、D项the demand for services has been increased为被动,需求与增加的关系应为主动,故排除。故本题答案为B。