trees_______furniturea.are used to making b.used to make c.get used to d.are used for making

trees_______furniturea.are used to making b.used to make c.get used to d.are used for making
trees_______furniture
a.are used to making b.used to make c.get used to d.are used for making

trees_______furniturea.are used to making b.used to make c.get used to d.are used for making
选D,A中的be used to doing 是 习惯做某事 ,B中used to do 是过去常常做某事,C不完整,D 中的be used for 用来做某事,这句话译为树被用来做家具.如果有选项 are used to make 也可以选.be used to do 是被用作做某事.

A
这里trees指各种树木（没有S表示某类树的总体）

选D
翻译：树木现在都用来被制造成家俱