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。