The ring looks very nice. It was made ______ silver.
A．by
B．in
C．of
D．for
答案：C
试题分析：句意：戒指看上去很好看，是银制的。be made of是指不经过加工，能直接看出原材料，例如桌子是由木头做成的，The desk is made of wood. be made from是指经过加工，不能直接看出原料．例如书本是由木头做的．The book is made from wood。结合句意，故选C 考点：考查介词的用法。