You can find _________________ and ____________ [ ]

A two kilos of pork , three potatos  

B some tomatoes , two kiloes of meat

C some fish , some carrots    

D two boxes of egg , many beef

引起急性化脓性腹膜炎最常见的原因是（）。

A.胃、十二指肠溃疡穿孔

B.急性胆囊炎穿孔

C.绞窄性肠梗阻

D.肝、脾破裂

E.阑尾坏疽穿孔