单项选择题
A.单纯小细胞性贫血 B.正常细胞性贫血 C.两者均有 D.两者均无 E.巨幼细胞性贫血
A.MCV正常、MCH正常、MCHC正常 B.MCV增高、MCH增高、MCHC正常 C.MCV增高、MCH正常、MCHC正常 D.MCV减低、MCH正常、MCHC正常 E.MCV减低、MCH减低、MCHC减低