B be made in某地制造为什么be made in 某地制造用inThe pen is made in China.be made from用.....制造看不出原材料Paper is made from wood.be made of 用......制造.看得出原材料Books are made of paper.其他选项没有固定搭配。可以了吧，同学？祝你学习进步！^_^