The school rule states that no child shall be, unless _by an adult, allowed out of the school during the day.
A. to be acpanied
B. acpanying
C. acpanied
D. being acpanied
网友回答
A. to be acpanied
B. acpanying
(答案→)C. acpanied
D. being acpanied
解析： 考查连词加非谓语动词结构。Acpany和逻辑主语child之间是动宾关系，所以用过去分词表被动，选C。