患者，女性，20岁，头昏，乏力半年，近2年来每次月经期持续7～8d，有血块。门诊化验：RBC3.0×10¹²/L，Hb65g/L，血清铁蛋白10μg/L，血清叶酸16ng/ml，维生素B₁₂600μg/ml。网织红细胞1.5%，最可能的诊断是

A．珠蛋白生成障碍性贫血

B．溶血性贫血

C．再生障碍性贫血

D．缺铁性贫血

E．营养性巨幼细胞性贫血

For those of you who ________ a few very popular articles that came out last week, check out this mail.

A．may miss

B．must have missed

C．may have missed

D．would have missed