He always did well at school _____ having to do part–time jobs every now and then.

A．in spite of

B．instead of

C．in case of

D．in favor of

病历摘要：某贫血患者MCV75fl，MCH25pg，MCHC310g/L，RDW17.5。

该患者属于（）

A.大红细胞高色素贫血

B.大红细胞贫血

C.正常红细胞性贫血

D.单纯小红细胞性贫血

E.小细胞低色素性贫血