Communicating in the New AgeE-mail is a new way of communication in every area all over the world. It is a means of ’meeting’ people with similar interests or problems. E-mailers ’write’ letters at leisure on their computers, then send them through their telephone line to an on-line computer (联机上网的电脑) far away. E-mail addresses — either names or numbers — automatically send mails to the right locations (站点). E-mailing is not a live conversation, but reply can be back at once or within hours, depending on how often the receiver checks in his computer.E-mail can also create friendship and draw families closer. E-mailers sit in comfortable chairs and ’chat’ with the friends or relatives in other parts of the country or of the world in front of the screen. Linda, a first-year student at Oxford University in Britain, drops a few lines to her mother in New York whenever she is near a computer. ’It’s funny, ’says her mother. ’We talk more now than when Linda lived upstairs.’Sending e-mail is far cheaper than making long-distance calls and it may revive (使复活) the almost lost art of letter writing. At the time when telephone service is becoming convenient (方便的) and highly effective, people make calls instead of writing letters. Now e-mail has brought people back to their grammar, vocabulary, and even spelling.E-mailing brings people together and makes the world even smaller. Which of the following statements is true().

A. It’s not expensive to make long-distance calls.
B. Writing letters is effective.
C. People have always preferred making calls to writing letters.
D. When sending e-mail, people use writing skills like grammar, vocabulary and spelling.