By the end of this year 160 new students in the English Department of this world famous

问题补充：

By the end of this year, 160 new students in the English Department of this world famous university．

A. have enroll

B. will have enrolled

C. have been enrolled

D. will have been enrolled

答案：

A. have enroll

B. will have enrolled

C. have been enrolled

(答案→)D. will have been enrolled

解析：考查时态。根据时间状语By the end of this year，故用将来完成时，students与enroll为被动关系，选D。