— Heard that many people turned off their lights during Earth Hour? 

— Yes. Great importance has been       to climate change from rising greenhouse gas emissions,

      which is a good thing about the public.

A. attached

B. appealed

C. applied

D. adopted

企信通的业务特点？（）

A.信息传递迅速；

B.操作简便；

C.易管理；

D.提高工作效率；

E.节省大量通讯费用。