单项选择题
小细胞低色素性贫血的形态分类是()
A.MCV<80fl,MCH<26pg,MCHC<31%
B.MCV<80fl,MCH<28pg,MCHC31%~38%
C.MCV80~94fl,MCH<28pg,MCHC<31%
D.MCV<80fl,MCH28~32pg,MCHC<31%
E.MCV<80fl,MCH28~32pg,MCHC31%~38%
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