单项选择题

Conversation 2
[听力原文] 8-10
M: How do you usually keep in touch with your friends, Sally
W: I usually give them a call or send them a short message by my cellphone. Sometimes I send them an e-mail.
M: So do I. Cellphones are the most popular means in today’s communication. Forty or fifty years ago, however, letters were widely used around the world.
W: That’s it. My grandfather sent 100 letters back when he studied in England from 1950 to 1952.
M: Things have changed so much! Have you seen that there is a kind of telephone which is called videophone, with which you can see the person you are talking to
W: Yes, I have. That is wonderful.
M: This is the advantage of modern life. Don’t you think so

If a man wants to see the person with whom he is talking, which of the following should he choose（）

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