问题补充：
Jim’s shirt is made silk , and it’s made china.
A. in, of
B. from, of
C. of , in
D. from , in
答案：
A. in, of
B. from, of
(答案→)C. of , in
D. from , in
解析：此题重点考查被动语态，句意：“吉姆的衬衫是由丝绸制成的，他是中国制造的”be made of由...制成，能看出原材料；be made from 看不出原材料；be made in由...制造，根据题意故选C
