Can you believe that in        a rich country there should be        many poor

people?     [ ]

A. such ; such                      

B. such ; so    

C. so ; so                          

D. so ; such

急性腹痛考虑胰腺炎还需与下列哪些疾病相鉴别（）

A.溃疡病穿孔

B.胆囊穿孔

C.急性胃炎

D.胆道结石

E.急性较窄性肠梗阻