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
网友回答
A. why
(答案→)B. when
C. to whom
D. on which
解析：考察定语从句。本句的先行词是an age;这个定语从句主语是more information,谓语部分是一个系表结构，本句又不却宾语和定语，所以应该使用关系副词，age指时间，故使用when.