痉挛肌电刺激疗法的频率和波宽分别为（）。
A.频率0.66~1Hz,波宽0.1~1ms
B.频率2~160Hz,波宽0.1~1ms
C.频率0.66~1Hz,波宽0.2~0.5ms
D.频率1~100Hz,波宽0.1~1ms
E.频率0.66~1Hz,波宽0.01~0.2ms