单项选择题

A.>16nmol/L(Sng/m;<31.8nmol/L(10ng/m
B.>31.8nmol/L(10ng/m;<16nmol/L(5ng/m
C.<31.8nmol/L(10ng/m;>16nmol/L(Sng/m
D.>16nmol/L(5ng/m;>31.8nmol/L(10ng/m
E.<16nmol/L(5ng/m;<31.8nmol/L(10ng/m