His first book ______ next month is based on a true story.
A.published
B.to be published
C.to publish
D.being published
答案:B
题目分析:句意:他的下个月第一本将要出版的书是以真实的故事为基础的。这里需要非谓语动词做定语,book与public是动宾关系,应该使用过去分词表被动,排除C;done表完成;to be done表将来;being done表进行;根据next month可知表将来,故选B。