Would you please ______to each other before you hand in your examination papers?
A. not talk B. don’t talk C. not to talk D. not talking
【答案】A
【解析】句意：在交考卷之前，请不要互相交谈好吗？句型：Would you please （not）do sth.：请你做某事好吗，这是要求别人做某事的句型，would也可换成could或can。结合句意和语境可知选A。