— I'm sorry,sir. I didn't mean to hurt you by showing you those pictures?

— ________ It just reminded me of my old friends.[ ]

A. Not at all.  

B. All the best.  

C. No sorry , please.  

D. Never mind.

下列哪项与输卵管结扎术后感染原因无关？（）

A.病人术前患慢性胃炎

B.术前有炎症未能发现

C.手术时组织损伤较大

D.术后伤口护理不佳

E.在血肿基础上继发感染