"We must keep a secret of the things _______ here", the general said,　_______ at the man in charge of the information office.

A．discussed, stared seriously　

B．being discussed, seriously staring

C．to be discussed, seriously stared　

D．discussed, stared

缺铁性贫血属于（）

A.小细胞正色素性贫血

B.溶血性贫血

C.正细胞性贫血

D.小细胞低色素性贫血

E.大细胞性贫血