关于术后患者的营养评估，下列说法正确的是（）

A.患者没有体重下降则说明无营养不良

B.血清白蛋白≤25g/L说明为重度营养不良

C.氮平衡正常为正值

D.淋巴细胞总数是评估营养不良的重要指标

E.正常三头肌皮褶厚度男性大于女性

A person with diabetes has received a minor leg injured. The symptoms of the onset of a diabetic coma include（）.

A.reduced appetite and thirst

B.sneezing and coughing

C.only a low grade fever

D.slurred speech and loss of coordination