— How long has Mr. Brown________? —Since two years ago.

24.— How long has Mr. Brown________?
—Since two years ago.
A. came to Jinan B. left Jinan
C. started this job D. stayed in this school
【答案】D
【解析】
【详解】句意：——Mr. Brown已经在这个学校呆了多久？——自从两年之前。根据下文Since two years ago.可知上文是现在完成时，其结构是have/has done的形式。这里动词必须是持续性动词，排除ABC。根据题意，故选D。