It is said that with more forests_huge quantities of good earth are being washed away
问题描述：
It is said that with more forests_huge quantities of good earth are being washed away
A.being destroyed B.destroyed C.destroying D.to destory 选什么，为什么
答
A.森林被摧毁是被动.所以排除CD.根据句意.据说随着更多的森林被摧毁.巨大数量的土地也正在流失.所以前面应该是正在被摧毁.和后文一致.