【单选题】DAVOS, Switzerland—A year ago, at the Davos World Economic Forum, I saw elephants fly. Yes, sir, right here in the Swiss Alps I saw big ideas defying gravity. At this year's Davos forum, though, all t...
A.
bring up some interesting facts.
B.
criticize some irresponsible words.
C.
introduce some political figures.
D.
point out the future of the world's political situation.