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2011-09-20 11:04:00   来源：作文地带    双击单词自动翻译

　　C. Overgrazing by rabbits endangers many of the plants on which bilbies feed.(Answer)

　　D. The virus that the government proposes to use has been successfully used elsewhere to control populations of rabbits.

　　E. There must be some alternative means of reducing the rabbit population that would involve no threat to the bilby.

　　sherishen：是个变体，但是选项基本一样，除了顺序变了，还有E里有点变化 差不多应该是上面这个样子的