Strangely enough, some books for children have bee popular among adults!
A. intended
B. to intend
C. intending
D. intend
网友回答
(答案→)A. intended
B. to intend
C. intending
D. intend
解析：考查非谓语动词。be intended for sb.“专为某人设计的”。books和intend是动宾关系，故用过去分词作后置定语，相当于which are intended for...。故选A。