My father promised to buy me a nice present for the Christmas,2012,     beyond my imagination.  

A．which

B．that

C．the one

D．something

胰腺炎和胰腺癌CT扫描重要的鉴别征象是（）。

A.病变是否侵犯、包埋邻近血管

B.胰腺是否弥漫性增大

C.脾静脉是否受推压

D.肠系膜上静脉是否受推压

E.门静脉是否受推压