Ningbo is no longer the city _____ it was ten years ago. How beautiful it has become![ ]

A. which

B. where

C. that

D. as

一般说来，医患之间信托-契约关系所倡导的医患交往模式是（）

A.双方冲突型

B.患者主导型

C.主动-被动型

D.指导-合作型

E.共同参与型