Allthebooksdonatedbythestudentsfromurbanschoolsaresaid...

问题详情：

 All the books donated by the students from urban schools are said ______ to the students in rural areas the other day.

A. to be sent          B. being sent      C. having been sent   D. to have been sent

【回答】

D

知识点：非谓语动词

题型：选择题