Internet as well as the telephones an important part in our daily life.A. is playingB.

问题补充：

Internet, as well as the telephones, an important part in our daily life.

A. is playing

B. have played

C. are playing

D. play

答案：

(答案→)A. is playing

B. have played

C. are playing

D. play

解析：考查主谓一致：两个主语被as well as连接，谓语动词要和前面的主语保持一致，这句话就和Internet保持一致，句意：网络和电话在我们的日常生活中起着重要的作用。选A。