What patterns do we see historically for the release of carbon dioxide to the atmosphere from tropical and temperate forests?

A) Deforestation in temperature forests remains a source of release even today
B) Around 1960 deforestation in temperate forests became less of a problem
C) Tropical forest emissions peaked in the 1990s but are still a major concern today
D) Temperate forest are likely still deforested at the same rate as tropical forests today