The lawyer was going through the documents(文件) immigration(移民)laws.
A. related with
B. related to
C. relating to
D. both B and C
网友回答
A. related with
B. related to
C. relating to
(答案→)D. both B and C
解析：考查词组：和…有关，be related to或是relate to，根据句意：律师在浏览和移民法有关的文件，说明这里需要填的是定语，可以是related to也可以是relating to，A项的介词错了。选D。