He tried to make ______ clear that he did an important job.

A．this

B．that

C．it

D．\

常见的高渗状态有哪两类（）

A.高钠血症和高钾血症

B.高钠血症和高钙血症

C.高钠血症和高糖血症

D.高钾血症和高糖血症

E.高钙血症和高糖血症