巨幼细胞性贫血时可出现

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问题: 巨幼细胞性贫血时可出现

A: MCV增高、MCH增高、MCHC正常

B:MCV减低、MCH减低、MCHC正常

C:MCV增高、MCH增高、MCHC增高

D:MCV减低、MCH减低、MCHC减低

E:MCV正常、MCH正常、MCHC正常