The mobile phone has influenced people’s life a lot since it .A. inventsB. inventedC. is i

问题补充：

The mobile phone has influenced people’s life a lot since it .

A. invents

B. invented

C. is invented

D. was invented

答案：

A. invents

B. invented

C. is invented

(答案→)D. was invented

解析：句意：自从它被发明以来，手机已经影响了我们的生活很多。结合语境可知下文时间状语从句中描述的是过去发生的动作，故用一般过去时态。从句主语it是动作对象，故用被动语态。选D。