Please accept our hearted congratulations_____the prize you got for your_____this field.

A．on; contribution on

B．for; contributions on

C．on; contribution to

D．of; contribution to

小腿截肢后最初影响安装假肢的症状是（）.

A.幻肢痛

B.神经瘤病

C.残肢水肿

D.大腿肌肉萎缩

E.患者心理问题