–Who should be responsible for the accident? -The boss not the workers. They just carried

问题补充：

–Who should be responsible for the accident?

-The boss, not the workers. They just carried out the order .

A. as told

B. as are told

C. as telling

D. as they told

答案：

(答案→)A. as told

B. as are told

C. as telling

D. as they told

解析： 考查状语从句的省略。as后省略了they were,根据句意：他们只是按照被告诉的执行命令。故用故去分词told,答案选A。