Which of the Following Is True of the 2015 Paris

Which of the following is true of the 2015 Paris Agreement on climate change?

A) States agreed to the mandatory submission of climate plans every five years,but the targets would not be legally binding.
B) States agreed to the mandatory submission of climate plans every five years,with legally binding targets.
C) States agreed to curb greenhouse gas emissions,but were unable to reach an agreement regarding carbon-absorbing sinks,like forests.
D) States agreed to promote carbon-absorbing sinks,like forests,but were unable to agree to curb greenhouse gas emissions.