单选题 Immigrants have to adapt themselves culturally and physically to the new surroundings ______ they have moved.
【正确答案】 C
【答案解析】[解析] 考查介词。本句考查定语从句中介词的使用。先行词为the new surroundings,定语从句的谓语为have moved,故应选用into,还原以后是have moved into the new surroundings。