参考答案

正确答案：D
解析：文章指出，听他们的谈话几乎没有新发明的单词，他们只是以新的形式运用旧有的单词，以此来与他们的父母有所区别。第一段But listening critically to their talk I hear hardly any new words．Itis all a matter of using old words in a new way and then copying each other，for much as they wish tospeak differently from their parents，they want even more to speak like people of their own age．Anew usage once took time to spread，hut now a pop star can falsify it across the world in hours．