.— May I have a talk with one of your sports reporters?

— Sorry, but all of them are out to ________ the main events of the day.

A．get　

B．find

C．cover

D．search

患者，女性。孕1产0，孕32周，自觉头晕、乏力及食欲差半个月。查体：胎位、胎心及骨盆外测量均正常，血红蛋白80g/L，血细胞比容25%，最确切的诊断是（）

A.巨幼细胞性贫血

B.缺铁性贫血

C.再生障碍性贫血

D.地中海贫血

E.以上都不是