Many workers of Sichuan origin--------their families for years,----to make enough money to return home.
问题描述：
Many workers of Sichuan origin--------their families for years,----to make enough money to return home.
A.have been separated into;hope
B.have been separated into ;hoped
C.have been separated from;hoping
D.have been separated from;to hope
答
C.have been separated from;hoping
separate from 短语
后面的分词短语,表伴随动作