A.下限為5mmol/L,上限為6mmol/L B.下限為4mmol/L,上限為7mmol/L C.下限為4.5mmol/L,上限為6.5mmol/L D.下限為4mmol/L,上限為6.5mmol/L E.下限為3.5mmol/L,上限為7.5mmol/L