问题补充:
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
答案:
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。