男性，38岁。因胃溃疡行毕Ⅱ式胃大部切除术后第3天，突感右上腹剧烈疼痛。查体：右上腹压痛（+），全腹肌紧张。最可能的诊断是（）

A.急性胆囊炎

B.急性胰腺炎

C.胃肠吻合口破裂

D.十二指肠残端破裂

E.腹内疝形成

I ________ myself more— it was a perfect day.

A．shouldn’t have enjoyed

B．needn’t have enjoyed

C．wouldn’t have enjoyed

D．couldn’t have enjoyed