單項(xiàng)選擇題

【A1/A2型題】神經(jīng)細(xì)胞在接受一次閾上刺激后，興奮性的周期變化是（）

A.絕對(duì)不應(yīng)期-相對(duì)不應(yīng)期-低常期-超常期
B.相對(duì)不應(yīng)期-絕對(duì)不應(yīng)期-超常期-低常期
C.絕對(duì)不應(yīng)期-低常期-相對(duì)不應(yīng)期-超常期
D.絕對(duì)不應(yīng)期-相對(duì)不應(yīng)期-超常期-低常期
E.絕對(duì)不應(yīng)期-超常期-低常期-相對(duì)不應(yīng)期