置身于其外，在一个局外人的立场观察政治，并且评价他们，在西方这种社会角色叫什么？
参考答案：
公共知识分子
— Mary,are you sure your aunt_____back from America?
— Yes. My mother_____ me. I am going to see her now.[ ]
A. has come; told
B. came; had told
C. had come; tells
D. is coming; has told
占用耕地补偿制度
