The elephant is _____________ the dog. [ ]

A. as light as

B. as small as

C. bigger than

男性，38岁，因服用鱼胆后出现恶心、呕吐、少尿来院急诊。查尿蛋白（+）、红细胞满视野，白细胞20～30个/HP，血生化血钾3.4mmol/L，SCr650μmol/L。此时检查结果应是（）

A.尿钠≥30mmol/L

B.尿比重≥1.018

C.肾衰指数<1

D.滤过钠分数<1

E.尿肌酐/血肌酐>10