Human beings are different from animals          they can use language as a tool to

communicate.

A．in that

B．for that

C．in which

D．for which

男性，35岁。被热油烫伤12小时。查体：血压75／50mmHg。烫伤总面积60%，深Ⅱ度。抗休克用CVP监测，当监测值为3cmH₂O时，表明（）。

A.血容量相对不足

B.心功能不全

C.容量血管过度舒张

D.血容量严重不足

E.容量血管过度收缩