A library with five thousand books ________ to the nation as a gift．

A.is offered

B.has offered

C.are offered

D.have offered

答案及解析： A

解析：

主语的附属说明部分不能算主语，如the student with a teacher，that boy together with two women，all but one，可排除C和D项，再由句意可知应用被动语态，故选A。