单项选择题

下列哪项符合营养性缺铁性贫血

A.RBC数减少>Hb量减少,TIBC降低
B.RBC数减少=Hb量减少,TIBC升高
C.RBC数减少<Hb量减少,TIBC升高
D.RBC数减少=Hb量减少,TIBC降低
E.RBC数减少<Hb量减少,TIBC降低
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