We’re very annoyed ____his mistake, because we have emphasized this for several times.

A．with

B．at

C．on

D．to

第一产程中用温肥皂水灌肠哪项禁忌是错误的

A．胎膜早破

B．见红

C．心脏病，心功能Ⅲ、Ⅳ级

D．胎位异常

E．初产妇宫口扩张4cm以上