标题: GWD-23-Q31 老题新问 关于插入语修饰的问题！！！！ [打印本页] 作者: 12294626 时间: 2012-3-12 12:47 标题: GWD-23-Q31 老题新问 关于插入语修饰的问题！！！！ GWD-23-Q31 According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.
A. ！threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems B. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystems C. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystems D. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat loss E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat