参考答案：B

解析：[听力原文]
W: The place I’ve heard so much about is Los Angles. The climate is pretty good. Year-round flowers, year-round swimming. How do you like it
M: Well, the beaches are beautiful. But the people there are terribly annoyed by the dirty air. I mean, the combination of fog, smoke and automobile exhaust. There is not enough wind to blow it away.
Q: What does the man think of Los Angles