It makes no________which road you take; both lead to the city, and they are equally long.[ ]

A. point  

B. sense

C. matter  

D. difference

慢性胰腺炎声像图表现，下列哪一项不正确（）

A.轮廓不清

B.边界常不规则

C.实质回声增强，分布不均

D.主胰管不扩张

E.胰管内可见强回声，后方伴声影