________full preparations, we decided to put off the meeting till the next week. [ ]

A. We did not make  

B. We had not made

C. Not having made  

D. Having not made

不属于动脉充血的病理改变的是（）。

A.组织器官体积增大

B.组织器官重量增加

C.局部呈暗红色

D.局部小动脉及毛细血管扩张

E.局部温度升高