Which of these facts provides evidence to support the author’s argument that the Olympics are not a good investment for cities? A. "London forked out almost US$20 billion. Beijing spent more than US$40 billion. Sochi paid more than US$50 billion."
B. "The competition to host the Olympic Games has typically been fierce, but an increased awareness of the giant money pit they usually become is convincing some cities to think twice."
C. "London and Beijing, for instance, each experienced a drop in tourism when they hosted the summer games. That is, the increase in tourism for the Olympics was more than offset by a decrease in normal tourism, as people decided to stay away from the crowds and high prices."
D. "The number of bidders for the Winter Olympics has gone steadily down from nine in 1995 for the 2002 Games in Salt Lake City to just two in 2014 for the 2022 Games, and for the summer Olympics from 12 in 1997 for the 2004 games in Athens to three in 2013 for the 2020 games in Tokyo."