Which Describes CO2 Emissions Since 1990

Which describes CO2 emissions since 1990?

A) These have increased for all fuel types,with projections of future increases for all fuel types.
B) These increased through the 1990s and 2000s,but are projected to decrease in the coming decades.
C) These increased overall.However,these increases varied by fuel type,with coal actually showing a decrease.
D) These decreased through the 1990s and 2000s,but are projected to increase again in the coming decades due to rapid population growth in less developed nations.