下列针对人体力学采取的康复治疗方法是（）
A.言语治疗
B.认知治疗
C.运动治疗
D.物理因子治疗
E.作业治疗
参考答案：C
She _____volleyball regularly for many years when she was young.
A．played.
B．was playing
C．has played.
D．had played
简述商鞅在秦国的法制改革。
