It was on January, 12^th, 2010 __________ a terrible earthquake struck the capital of HaiDi.

A．when

B．before

C．which

D．that

软组织损伤10小时最佳选择（）

A．神经肌肉电刺激治疗

B．调制中频电疗

C．超短波

D．磁疗

E．冷疗