单选题
Which of the following is NOT a reason for the decreasing of orangutans in Indonesia?
A、
The forests have been burned to get land for agriculture.
B、
Most of orangutans' forests have been destroyed.
C、
Mother orangutans have been sold into the live-animal business.
D、
Trees have been cut down for human profits.
【正确答案】
C
【答案解析】
解析：由文章第一段可知，他们把成年猩猩杀掉，然后把小猩猩抓住进行非法的宠物交易。
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