—Why do so many people love Prime Minister ( * * ) Wen Jiabao? 

—Because he likes working _______ the working people. [ ]

A. to

B. during

C. among

D. between

食管静脉曲张与食管癌主要鉴别点是（）

A.溃疡

B.隆起

C.壁柔软

D.膜规整

E.梗阻