We live in an age____more information is available with greater ease than ever before. ...
问题描述：
We live in an age____more information is available with greater ease than ever before. ...
We live in an age____more information is available with greater ease than ever before.A. whyB. when C. to whom D. on which 答案为B 解释一下其他选项不可以的原因.要详细.!
When = In which 还是At Which啊?
答
B
我们生活在一个比以前任何一个时候都能较轻松地获取更多信息的时代
从句意不难看出,定语从句缺的是时间状语（when= in which,意为in the age)
表示时间段可用inin which 等于when,所以选B.when.表示时段不能用on,更不可用to,故排除C.D.why 是表原因的,与语境不符.
关于 when 等于in which 还是at which,就要看不同句子,不同意思了.when 可以等于in which 表时段,如此句； when 也可指代at which,表时点.如果指具体的某一天,它也可以等于on which