定语从句单选题

题目

定语从句单选题
they are the dogs ____ to help the blind cross the street.
A.whose is the task B.whom it is the task C.it is whose task D.whose task it is
ABC我知道肯定是错的,但是D答案里的it是不是应该去掉的啊?

答案

朋友,就你的4个选项中,没有一个是正确的.
给你加个正确的：E.whose task is
选E.