8．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，MCHC 31%～38%

C、MCV80～94fl，MCH<28pg，MCHC<31%

D、MCV<80fl，MCH 28～32pg，MCHC<31%

E、MCV<80fl，MCH 28～32pg，MCHC 31%～38%