—What's Mary doing?  

—_______.[ ]

A. She's a bank clerk

B. She likes reading

C. She is singing  

D. She does housework after school

病人割伤手腕部，伤口二期愈合。以后手指呈爪状畸形。手部肌肉明显萎缩，手指感觉丧失，对指功能丧失。最可能的诊断是（）。

A.正中神经损伤

B.尺神经损伤

C.桡神经损伤

D.尺神经、正中神经联合损伤

E.桡神经、正中神经联合损伤