A、Teacher and student. B、Mother and son. C、Classmates. D、Brother and sister C

W: Hi, Jack, have you finished Professor Smith’s assignment?
M: The assignment? No, not yet.
W: But tomorrow’s the deadline.
M: Anna, take it easy. I can always pull it together in no time.
W: Hey, don’t you think playing PC games takes up too much of your time?
M: Oh, computer games represent the latest technology. You can’t simply ignore them.
W: I know. You can play as much as you like during the holiday, but not now. It’s affecting your studies.
M: It’s not. I feel I’m getting smarter day by day, and my reaction time is much quicker.
W: You only become alive and alert at those war games. In class, I saw you doze off.
M: It’s not my fault. The textbooks are boring and the lectures are tedious. I dislike those teachers who love to call the roll. But the games are interesting, challenging and can broaden my mind as well.
W: I didn’t say the games are all bad, but you can’t play games all the time. Have you ever considered what you will do if you fail the exams?
M: well…
W: I know it’s not easy to resist the temptation, but self-discipline is essential to one’s success. It’s part of one’s character. Look at yourself in the mirror. You look pale and haggard. See, you have nothing but half a life.
M: Really? Oh, heavens!