---So you haven't read the information form?
--- makes the matter worse is that I don't have a single copy．
A. It
B. What
C. That
D. Which
网友回答
A. It
(答案→)B. What
C. That
D. Which
解析：主要测试主语从句。由的语境可知句子--- makes the matter worse 中需要主语，同时该句子还充当了后面句子is that I don't have a single copy的主语，双重作用，结合答案可知选择what。译文：----那么说你没有理解信息表了？----更糟糕的是我一份文件也没有啊。