【由山东省枣庄市2014高考英语3月模拟试题改编】
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。
It' s never a real problem for us when the weather gets cold． We have many different ways of coping with the cold．We can put on more clothes, stay next to a fireplace, turn on the air conditioner or simply travel to a warmer city to spend the winter．But things are not as easy for plants Unlike humans, plants can’t move to escape the cold or generate heat to keep themselves warm．So how do they manage to survive the freezing winter?
