一男性脊髓损伤患者，长期卧床，时其泌尿系统可能出现的影响哪项是错误的（）

A.尿量增加

B.尿钾升高

C.尿钠升高

D.高钙血症

E.低钙尿症

After launching，an inflatable raft should be kept dry inside by（）.

A.opening the automatic drain plugs

B.draining the water pockets

C.using the electric bilge pump

D.using the bailers and cellulose sponge