－I plan to invite our friends to have supper.

－______We haven’t seen them such a long time.

A．I can’t believe my eyes!

B．Do you really think so?

C．Why not?

D．I am not certain.

脊髓亚急性联合变性患者下列哪项检查结果是错误的（）

A.脑脊液多正常，少数有蛋白轻度增高

B.注射组胺作胃液分析可发现有抗组胺性胃液缺乏

C.周围血象及骨髓涂片检查显示为巨细胞低色素性贫血

D.Schilling试验可发现维生素B吸收缺陷

E.周围血象及骨髓涂片检查显示为小组胞低色素性贫血