單項(xiàng)選擇題Guillian-Barre(格林-巴利)綜合征時(shí)最早的電診斷所見(jiàn)是()

A.F波變慢或無(wú)
B.運(yùn)動(dòng)遠(yuǎn)端潛伏期延長(zhǎng)
C.肘部尺神經(jīng)局部傳導(dǎo)阻斷
D.腓骨頭處腓神經(jīng)近端局部傳導(dǎo)阻斷
E.腓腸肌潛伏期延長(zhǎng)