题目

   A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃．Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate．Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world．   In the past hundred years，humans have begun 选择正确解释，将选出的序号填入括号内 原驰蜡象 [　　] A．高原上奔跑着白色的大象。 B．高原（上的丘陵）像许多白象在奔跑。