It was mining hard. Unfonunately we_____umbrellas with us.                [ ]

A. take              

B. took   .        

C. didn't take          

D. don't take

老年患者术后的常见并发症，不包括（）。

A.心功能代偿不全

B.肺功能代偿不全

C.深静脉血栓形成

D.风湿热复发

E.下泌 * * 感染