We are living in an agemany things are done on computerA. whichB. thatC. whoseD. when

问题补充：

We are living in an agemany things are done on computer．

A. which

B. that

C. whose

D. when

答案：

A. which

B. that

C. whose

(答案→)D. when

解析：考查定语从句。本题定语从句的先行词是an age,定语从句是一个被动语态，句子结构很完整。故使用关系副词，故D正确。句意：我们生活在一个很多事情都是由计算机完成的年代里。故D正确。