The manager demanded that the task within a week.A. must completeB. would be completedC.

问题补充：

The manager demanded that the task within a week.

A. must complete

B. would be completed

C. be completed

D. must be completed

答案：

A. must complete

B. would be completed

(答案→)C. be completed

D. must be completed

解析：考查虚拟语气。Demand(要求)后面接宾语从句，从句中使用虚拟语气（should）+动词原形。句意：经理要求这个任务要在一个星期内完成。本句的任务与finish构成被动关系，故C正确。