单选题
Why did Wilson regard" the greatest extinction since the end of the age of dinosaurs" to be the depletion of rain forest areas?
A、
The writer did not give his explanation in detail.
B、
The rain forests' survival is questionable.
C、
It will become warmer and warmer with the depletion of rain forests.
D、
Many wild animals and beasts will extinct as result of the depletion of rain forests.
【正确答案】
A
【答案解析】
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