the students to listen to the teacher in class 为什么用过去式?A told；careful 剩余的选择在补充上

题目

the students to listen to the teacher in class 为什么用过去式?A told；careful 剩余的选择在补充上
B told；carefully C were told；carefully D were toldcareful
一个空在students后 还有一个在 teacher后

答案

因为学生是被告诉上课要认真听讲,主语与谓语动词是被动关系,而过去式表被动关系.应该选C