Beijing ha changed a lot ( )the past five years

问题描述:

Beijing ha changed a lot ( )the past five years
A at B during C from D for
选B,

during是在……里的意思,这句话翻译过来时北京在过去五年里改变了许多,所以用during
at、from没有加时间的用法,for是表示五年这个长度,强调用了五年时间,不合题意.