— How could I thank you enough?

—Don’t mention it. Any other man_________ that.

A．must do

B．could do

C．would have done

D．should have done

男性，55岁，反复上腹部胀痛2年，壁细胞抗体阳性。

最可能的诊断是（）

A.慢性浅表性胃炎

B.慢性萎缩性胃炎

C.慢性糜烂性胃炎

D.慢性十二指肠球炎

E.慢性胰腺炎