【由山东省2014高考仿真冲刺卷（6）改编】
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
However urban life strikes you，cities worldwide have been growing even more rapidly．Some of this growth has occurred in the developed world，but the most dramatic increase has been in the Third World．Almost all the world’s population growth over the next 30 years will take place in the cities of developing countries
