Bob used to be a "problem child", but his mother was very patient and didn't _______ trying to help him. [ ]

A. give out

B. give away

C. give up

D. put up

患者，男，60岁，急性腹痛3天，急症剖腹探查见乙状结肠扭转伴肠坏死，腹腔血性液体1500ml，行乙状结肠切除、降结肠造瘘术。术后无明显腹痛，第2天体温37.5℃，血压120/80mmHg，血常规正常，尿量350ml/24h，血清钠140mmol/L，钾6.2mmol/L。

该患者可能出现的情况为（）

A.等渗性缺水

B.低渗性缺水

C.高渗性缺水

D.代谢性碱中毒

E.急性肾衰竭