The United States has many different kinds of climate .On the west coast ,the temperature changes very little between summer and winter,but the north central states have a very different kind of climate.In these states,people wear light clothes during the summer,and they need heavy wool or fur clothes in winter. In the southwest,the climate is quite warm during the winter,but hot in summer. In the eastern part of the United States,summer temperatures are very different from winter temperatures.Summers are usually hot,and winters are usually cold.Spring temperatures are comfortably warm,and autumn temperatures are quite cool. Years ago,people in the cold areas of the United States did not often get vegetables and fresh fruits during the winter.Today trucks and trains carry fruits and vegetables very quickly to all parts of the United States.In this way,Americans"send their climate"to people in other states. In the north central states,people wear _ clothes in summer and _ clothes during the winter. A) silk;linen B) light;heavy fur C) wool;cotton D) wool;silk
The answer to this question is:
B