What can we learn from this passage（）
A: Damages from fire and logging in the Amazon rainforest vary significantly from year to year.
B: The worsening of the global environment is chiefly due to deforestation.
C: It is a hard work to determine the accurate deforestation in the Brazil's Amazon region.
D: Farmers should be blamed for the worsening of the global environment.
A: Damages from fire and logging in the Amazon rainforest vary significantly from year to year.
B: The worsening of the global environment is chiefly due to deforestation.
C: It is a hard work to determine the accurate deforestation in the Brazil's Amazon region.
D: Farmers should be blamed for the worsening of the global environment.
