初产妇活跃期停滞是指进入活跃期后，宫颈口不再扩张超过
&nBsp; &nBsp; A.1小时
&nBsp; &nBsp; B.1.5小时
&nBsp; &nBsp; C.2小时
&nBsp; &nBsp; D.2.5小时
&nBsp; &nBsp; E.3小时