缺铁性贫血的改变顺序是( )

缺铁性贫血的改变顺序是( )

A.低血清铁→贫血→骨髓储存铁减少B.低血清铁→骨髓储存铁减少→贫血C.骨髓储存铁减少→贫血→低血清铁D.贫血→骨髓储存铁减少→低血清铁E.骨髓储存铁减少→低血清铁→贫血