Which of the Following Statements Is True

Which of the following statements is true?

A) The best thing about sustainable development is that it is carried out without significant investments of technology
B) Nongovernmental organizations have become significant players in international environmentalism and development
C) No important international agreement has ever been violated once the international community passed it
D) Public concern about environmental protection is always higher where pollution is most severe
E) The best thing about sustainable development is that it is carried out without significant investments of money