听力原文：W: Mike, you're sitting in front of your computer again! The sea and the sand are

only steps away. Why are you wasting these beautiful holidays？ The summer will be over before you know it.

M: I'm not wasting the holidays as you say. The computer is a good thing. On the Internet you can go to any part of the world; I can see everything in the world. It's more real than reality.

W: But... but you can't spend your entire summer watching that screen. You'll get a big bottom.

M: I'm not just watching the screen. I'm doing a lot of things—I'm sending e-mails, I'm learning things, I'm chatting in chat rooms...

W: Right! But I'll bet you're spending most of your time playing computer games—a time-wasting, mindless activity that'll turn your brain into Chinese doufoo.

M: No, it isn't a single mindless pastime. It's many activities: role-playing games, arcade games, adventure games, strategy games...

W: I understand the computer is a wonderful thing, but you have to be careful not to get too much of a good thing. Every life needs some variety in it. It would be a lot healthier if you played a chess game outdoors, in the park.

M: It wouldn't be the same. In those games in the park I can't play against the grandmaster of Moscow, can I？ And there are creative games in the computer, where I can learn city planning and psychology.

W: Well, what about me？ Don't you think I'd like a little attention？

M: Now, Baby, that's no way to talk. After all this time together, you know I love you.

W: I'm not so sure any more. It's time you made a choice. Is it going to be me or the computer？

M: Well...

(23)

A．They are on business.

B．They are working.

C．They are on holiday.

D．They have a rest at home.