求问when与on which的区别

Question

We live in an age _____ more information is available with greater ease than ever before.
A.why B.when
C.to whom D.on which

Answer 1

它俩在某些定语从句中是可以互换的
这个定语从句如果非要换的话换成in which
因为不可以写成on the age的形式本回答被提问者采纳

Answer 2

B.when
on which比when具体 指的是 在某一天 本句先行词是age 所以不能用on which