---I don’t think I’ll be able to go mountain-climbing tomorrow.

---_________?

A．And how

B．How about it

C．How’s it going

D．How come

阑尾切除术后最常见的并发症是

A．盆腔脓肿

B．肠梗阻

C．切口出血

D．阑尾残端瘘

E．切口感染