In the reading room, we found her at the desk, with her attention on a book.
A. seated; fixing
B. to sit; fixed
C. seated; fixed
D. seating; fixing
网友回答
A. seated; fixing
B. to sit; fixed
(答案→)C. seated; fixed
D. seating; fixing
解析：考查非谓语动词。seated就座的，表示坐着的状态，相当于sitting，find sb +过去分词/现在分词/介词短语等作宾补，意为“发现某人......”，排除B、D；attention与fix是动宾关系，应该使用过去分词表被动，排除A，故选C。