Millions of people have been forced to leave their homes ______ the heavy storms and floods.

A．apart from

B．as a result

C．in regard to

D．due to

初产妇，孕40周，临产14小时， * * 流水12小时，宫缩20"/10’，胎心168次/min，羊水Ⅱ粪染，宫口开大5cm，先露头S^＋1，矢状缝在左斜径上，小囟门在4～5点处，坐骨棘突，坐骨切迹小于 2横指，骶骨前面平直。

下列哪项处理最恰当

A．加用抗生素

B．吸氧

C．肌注地西泮

D．静注三联针

E．立即剖宫产