F: What's your opinion on cleaning up the air? ,M: I think we should drive less. ,F: Do you mean we have to stay home? ,M: No, I mean, we can reduce air pollution by using public transportation.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Let's enjoy the fresh air. (C) F: Reducing air pollution is not belongs to us. This is the responsibility of the government. (D) F: We need do something to reduce are pollution.
D