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E-mail, as well as telephones, ______ an important part in daily communication.

   A. is playing                 B. have played  

   C. are playing                D. play

 E-mail, as well as telephones,         an important part in daily communication.

  A. is playing      B. have played       C. was playing        D. play

E-mail, as well as telephones, _____ an important part in daily communication.

A. is playing   B. have played   C. are playing   D. play

E-mail, as well as telephones, _______ an important part in daily communication.
 A. is playing    B. have played  C. are playing   D. play