患儿女,10个月,因“面色苍白,精神、食欲差2个月”来诊。人工(羊奶)喂养,未添加辅食。查体:面色苍白,睑结膜苍白;心前区可闻及Ⅱ/Ⅵ级柔和收缩期杂音,肝肋下2cm,脾肋下1cm。血常规:Hb75g/L,RBC2.2×1012/L,WBC6.0×109/L,PLT110×109/L,网织红细胞0.01。患儿外周血形态学检查结果应该是()
A. MCV(fl)80~94,MCH(pg)28~32,MCHC(g/L)320~380
B. MCV(fl)80~98,MCH(pg)28~36,MCHC(g/L)320~400
C. MCV(fl)>94,MCH(pg)>32,MCHC(g/L)320~360
D. MCV(fl)<80,MCH(pg)<28,MCHC(g/L)320~360
E. MCV(fl)<80,MCH(pg)<28,MCHC(g/L)<320