Doctor have said that as many as 50% of patients don’t take medicine .A. like directedB. t

问题补充：

Doctor have said that as many as 50% of patients don’t take medicine .

A. like directed

B. to be directed

C. as directed

D. so that directed

答案：

A. like directed

B. to be directed

(答案→)C. as directed

D. so that directed

解析：考查状语从句的省略。填 as directed ，as后省略了they are ,句意：医生说，多大百分之五十的病人不按照指导的那样吃药。