It’s so nice to hear from her.________, we last met more than thirty years ago.[ ]

A. What’s more  

B. That is to say  

C. In other words  

D. Believe it or not

肝、胆、胰CT检查口服稀释阳性对比剂的目的是（）

A.能使被观察部位与胃肠道区分开来

B.观察肝胆消化液的分泌功能

C.观察肝胆内病变是否引起胃肠道阻塞

D.保护胃黏膜不受辐射线的损伤

E.以上都是