4991小儿中度贫血的诊断指标是A.Hb>120g/LB.Hb~90g/LC.Hb~60g/LD.Hb~30g/LE.Hb<30g/L1312

小儿中度贫血的诊断指标是 A.Hb>120g/L B.Hb~90g/L C.Hb~60g/L D.Hb~30g/L E.Hb<30g/L 请帮忙给出正确答案和分析,谢谢!

答案解析