参考答案：D

解析：[听力原文]It takes only a trip on the busy but rutted highway that leads north from here to understand how a huge swath of the Amazon jungle could have been razed over the course of just a year. Where the jungle once offered shelter to jaguars, parrots and deer, the land is now increasingly being cleared for soybeans, Brazil’s hottest cash crop.

[分析]： 语义判断推理。 原文描述了亚马逊热带雨林一年来经历的巨大变化。最后一句具体指出这片土地曾经是各种动物的栖息地，而现在却被大量开垦用来种植经济作物。从我们对环境保护的背景知识可推测，这种变化应该是破坏性的。由此可知，选项D的内容与原文意义相符，因而是正确的。 [解题关键] 对环境保护的背景知识有助于正确解题。