They are our school ’ s volunteers ( ) to help clearly people cross the streets

题目

They are our school ’ s volunteers ( ) to help clearly people cross the streets
every day .
A whose task it is B it is whose task C to whom is the task D whose task was

答案

D 他们是我们学校的志愿者（他们的任务是）帮助盲人过马路,这个句子是个定语从句,先行词是人,再此基础上理解句意就可以轻松选择了