Which of the Following Is True of the Climate Change

Which of the following is true of the climate change issue?

A) Scientists theorize that the use of carbon-based fuels is most responsible for temperature rises.
B) Most scientists doubt the evidence behind the theory that humans are helping to cause temperature increases.
C) U) S.policymakers are relatively uniform in their desire to avoid costly measures to reduce carbon emissions.
D) Most Western countries have not taken major steps to reduce carbon emissions.
E) U) S.participation in the Paris accord is the only major initiative it currently undertakes to deal with climate change.