18.These kites are made （ ）paper.A.from B.of C.in D.with

18.These kites are made （ ）paper.A.from B.of C.in D.with

答案是b
a be made from “由.制成”
是不能从肉眼直接看出原材料的.
The paper is made from wood.纸是由木头制成的
b be made of “由.制成”
be made of 是直接能看出原材料的
c没有 但有 be made into
d 好像没有