As the twentieth century came to a close,the raw materials for a great national literature were at hand,waiting .
A. to use
B. to be used
C. to have used
D. to be using
网友回答
A. to use
(答案→)B. to be used
C. to have used
D. to be using
解析:句意:在20世纪即将结束之际,有许多可用于伟大的民族文化的素材以待使用。不定式作宾语,同时表达被动关系。时态上是将来含义,所以不选择表示完成的C项和表示进行的D项。