腹膜炎治疗的原则最重要的是（）

A.引流、排出脓性渗出物

B.消除引起腹膜炎的病因

C.禁食、胃肠减压

D.解除腹痛

E.减轻中毒症状

              the morning of March 31, she made an important decision in her life.

A．Since

B．In

C．From

D．On