In the reading room, we found her ______ at a desk, with her attentionon _____ a book.[ ]

A. sitting; fixing                                

B. to sit; fixed

C. seating; fixing                            

D. seated; fixed

补写出下列名篇名句中的空缺部分。

（1）千呼万唤始出来，           。转轴拨弦三两声，         。（白居易《琵琶行》）

（2）            ，枯松倒挂倚绝壁。            ，砯崖转石万壑雷。（李白《蜀道难》）（3）千古江山，        。舞榭歌台，          。（辛弃疾《永遇乐·京口北固亭怀古》）