She spent 25 dollars on the watch chain.It means ___.

A．she paid 25 dollars on the watch chain

B．the watch chain cost her 25 dollars

C．it took her 25 dollars buying the watch chain

D．she bought the watch chain of 25 dollars

手2～5指伸肌腱Ⅰ和Ⅱ区损伤修复术后（）

A.术后1～6周，远侧指间关节夹板固定于伸直位，近侧指间关节自由屈曲

B.术后6～8周，轻柔、无阻力屈远侧指间关节，允许屈曲25°～40°

C.术后8～12周，间断性去除保护性夹板，开始功能、感觉训练

D.术后6～8周，轻柔，无阻力伸远侧指间关节，完全去除保持性夹板

E.术后1～6周，近侧指间关节夹板固定于屈曲位，屈曲25°～40°