NOTES是指（）。

A.不经皮肤切口而经人体自然的管壁造口进行的腹部内镜外科手术

B.内镜、腹腔镜联合治疗

C.单孔腹腔镜技术

D.EUS胆管引流技术

E.小肠息肉切除

. “You must find such long hours very tiring.” “______. I enjoyed it.”

A．After all

B．Never mind

C．Not in the least

D．That‘s all right