A policeman: (who has come up the street in time to hear this last-with grim humor) you'll get off at the station, you boob, if you don't get up out of that and keep moving.
3
第一段第一句话指出,如果你想要通过幽默使人发笑,就必须要了解如何发现共同的经历和共同的问题。
A Personal charm of the humor user. B Understanding the audience's situation. C Sympathy for the audience.