In the reading room we found her at a desk with her attention on a book. A. sitting; fix

问题补充：

In the reading room, we found her at a desk, with her attention on a book.

A. sitting; fixing

B. to sit; fixed

C. seating; fixing

D. seated; fixed

答案：

A. sitting; fixing

B. to sit; fixed

C. seating; fixing

(答案→)D. seated; fixed

解析：句意：在阅览室内，我们发现坐在一张桌子旁，集中精力看一本书。be seated 就坐=sitting，fix one’s attention on集中精力于。 故选D。

考点: 考查非谓语动词的用法。