单项选择题

A.Hb≥100gL,但不推荐>110g/L
B.Hb≥110gL,但不推荐>120g/L
C.Hb≥120gL,但不推存>130g/L
D.Hb≥115g/L,但不推荐>130g/L 
E.Hb≥100g/L,但不推存>130g/L