A.血尿素氮>18.6 mmol/L、肌酐>40gµmol/L、血钾>5.0 mmol/L
B.血尿素氮>20.6 mmol/L、肌酐>50gµmol/L、血钾>6.0 mmol/L
C.血尿素氮>21.6 mmol/L、肌酐>60gµmol/L、血钾>6.0 mmol/L
D.血尿素氮>28.6 mmol/L、肌酐>60gµmol/L、血钾>7.0 mmol/L
E.血尿素氮>28.6 mmol/L、肌酐>70gµmol/L、血钾>6.0 mmol/L