阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。
A funny thing happened on the way to the communications revolution: we stopped talking to one another.
I was walking in the park with a friend recently, and his cell phone rang, interrupting our conversation.There we were, walking and talking on a beautiful sunny day and…I became invisible, absent from the conversation.
