27. It is implied in Paragraph 2 that the current immigration system in the US [A] needs new immigrant categories [B] has loosened control over immigrants [C] should be adapted to meet challenges [D] has been fixed via political means
【参考答案及解析】
C
正在整理中,欢迎在文下评论区提供答案解析,谢谢!
C
正在整理中,欢迎在文下评论区提供答案解析,谢谢!