专升本考试

【单选题】 Which of the following is mentioned by the author as a reason why the baleen whale population has been reduced
A．Increased pollution of the seas.
B．Hunting.
C．Insufficient supply of food.
D．Disease.

网考网参考答案：B
网考网解析：
文章第二段中“Though reduced by hunting…”一句告诉我们此种鲸变少的原因在于捕杀，因此选B。 查看试题解析出处>>