A library with five thousand books to the nation as a gift.A. is offeredB. has offered　C.

问题补充：

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：

(答案→)A. is offered

B. has offered

C. are offered

D. have offered

解析：考查主谓一致。With连接两个主语，其谓语动词与前一个主语保持一致。根据句意用一般现在时。句意：拥有5000册图书馆被作为礼物送给那个国家。