若宫口开全，宫缩减弱，肛查发现盆腔后部空虚，S+4，阴道检查胎头前囟在骨盆左前方，此时的处理方法应是()
A. 行剖宫产术
B. 会阴侧切，转正胎头，产钳助娩
C. 静脉滴注缩宫素加速产程进展，经阴道自娩
D. 吸氧同时，静注地西泮(安定)
E. 静注葡萄糖液内加维生素C，同时肌注哌替啶(度冷丁)
Compared with those in small towns, people in large cities have ______.
A. less self-discipline
B. better sense of discipline
C. more mutual respet
D. Less effective government
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