A、Polltaker and passenger. B、Program host and guest. C、Student and teacher. D、Politician and supporter. A问话者提问前先用了。Excuse me，而答话

W: Excuse me, would you mind answering a few questions?
M: Well, I don’t know. I am in rather a hurry actually.
W: It won’t take a moment.  We’re doing a public opinion poll on some important political questions to try to find out if the Government really has support for its policies.  The results are going to be published in a national newspaper.
M: Oh, all right, then.
W: Thanks.  Well, I’ll read out statements and you have to say whether you agree strongly, agree, disagree, disagree strongly or just don’t know. OK?
M: Yes.
W: Well, first of all, "Policemen should always carry guns. " Do you agree?
M: No, not always.
W: What is your opinion?
M: They shouldn’t do that when they’re on normal duty.  But if they’re chasing a criminal who they know has got a gun, then they should be armed as well.
W: OK, next question.  "Britain should drive on the right-hand side of the road. "
M: What rubbish! Why doesn’t everybody else drive on the left?
W: All right.  One more question: "Britain should leave the EEC. "
M: That’s nasty.  I wasn’t in favor of us joining, but I think it would be difficult to leave now.  I think we’ll just have to stay in and make the best of it.
W: OK, that’s all.  Thank you very much.
19. What is the possible relationship between the two speakers?
20.When does the man think the policemen should carry guns?
21.How does the man look at driving on the right?
22.What’s the man’s attitude towards the last statement?