I feel ____ is your husband who is to blame for the spoiled child.

A．that

B．this

C．it

D．he

缺铁性贫血与慢性感染性贫血鉴别要点是（）

A.血清铁测定

B.小细胞低色素性贫血

C.红细胞内游离原卟啉测定

D.骨髓细胞外铁

E.骨髓红细胞内铁