_____ is reported in the newspaper, talks between the two countries are making progress. [ ]

A. It

B. As

C. That

D. What

某海员，牙龈肿胀出血，抵抗力下降，受伤后伤口愈合缓慢，并伴有多疑、抑郁等精神症状，最可能的诊断是（）。

A.巨幼红细胞贫血

B.苯丙酮尿症

C.败血症

D.缺铁性贫血

E.维生素C缺乏病