E-mail, as well as telephones, an important part in daily munication.
A. are playing
B. have played
C. is playing
D. play
网友回答
A. are playing
B. have played
(答案→)C. is playing
D. play
解析：考查主谓一致：当主语被as well as连接的时候，谓语和前面的主语一致，这句话就是和E-mail一致，用单数，几个选项只有C是单数，句意：电子邮件和电话在日常生活中起着重要的作用。选C。