Tom wrote several novels in his twenties, none of published.
A. them
B. it
C. which
D. that
网友回答
(答案→)A. them
B. it
C. which
D. that
解析：考查独立主格结构：前面是个完整的句子，但是后面横线后的published不是谓语，而是过去分词做状语，所以这句话不是定语从句，应该是独立主格结构，逻辑主语none of them+过去分词，在句子中做状语，句意：汤姆在20几岁的时候写了几本小说，没有一本出版的。选A。