题目内容

The mobile phone has influenced people’s life a lot since it      .
A．inventsB．inventedC．is inventedD．was invented
D
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。
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