At Present, the Rate of Cutting Tropical Forests

At present, the rate of cutting tropical forests

A) could be increased slightly, creating much needed employment in tropical regions.
B) is sustainable, with many areas of the tropics experiencing modest increases in forest acreage.
C) exceeds the rate of reforestation and is unsustainable.
D) has fallen to near zero as virtually all of the world's tropical forests have been harvested.