How does the author develop the idea that the reforestation of Puerto Rico will be a long process?
A
by indicating the specific number of volunteers necessary for organizing and maintaining nurseries
B
by illustrating which areas of the island were hardest hit by the hurricane and how the people in those locations reacted
C
by exploring the time that reforestation is taking compared with reforestation projects in other parts of the world
D
by describing the predicted recoveries of plants and animals and the help needed from humans