The 2009 Copenhagen Conference _______________

The 2009 Copenhagen Conference _______________.

A) failed to produce a treaty because the United States failed to support it and China refused international monitoring for promised steep cuts
B) failed to provide any help to developing nations for mitigation and adaptation efforts
C) was unable to pass any resolution because 20 developed nations refused to accept the scientific premises of global climate change
D) produced a multinational treaty to limit carbon emissions
E) created an international fund to promote climate research