— Why didn't you go to Mike's birthday party last night?  

— Well, I ______ , but I forgot it.    [ ]

A. should  

B. would  

C. should have  

D. must have

男性，65岁，急性阑尾炎切除术后4天，腹部胀痛不适，呈持续性，伴恶心呕吐，肛门停止排便排气。体检：全腹膨胀，肠鸣音消失，腹部X线平片见小肠及结肠均有多量充气及液气平面。何种处置最为恰当

A．口服缓泻剂、促进胃肠蠕动药物
B．禁食、胃肠减压、支持疗法
C．少量进食促进胃肠功能恢复
D．剖腹探查
E．加强抗感染治疗