【名词&注释】
缺铁性贫血(iron deficiency anemia)、红细胞(erythrocyte)
[单选题]缺铁性贫血时红细胞实验室检查应是
A. MCV<100fl,MCHC35% B. MCV<80fl,MCHC32% C. MCV80~100fl,MCHC35% D. MCV80~100fl,MCHC32% E. MCV<80fl,MCHC35%