[多选] 下列哪项是国际学术会议的结束语句?(    )【多选题】

[多选] 下列哪项是国际学术会议的结束语句?( )

A.In our paper，we proposed a new method(novel structure)…

B.This paper comments briefly on…

C.In closing I want tomention very briefly…

D.The last part of my report will be devoted to&helli