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
网友回答
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。