单选题难度 5卫生高级职称检验医学下列哪项符合小细胞低色素性贫血( )AA.MCV55flMCH21pgMCHC0.29BB.MCV82flMCH29pgMCHC0.34CC.MCV105flMCH36pgMCHC0.41DD.MCV71flMCH25pgMCHC0.34EE.MCV100flMCH33pgMCHC0.38