题目内容
(请给出正确答案)
[主观题]
Which of the following is mentioned by the author as a reason why the baleen whale populat
ion has been reduced?
A.Increased pollution of the seas.
B.Hunting.
C.Insufficient supply of food.
D.Disease.
查看答案
如果结果不匹配,请 联系老师 获取答案