问题
单项选择题
Which of the following is NOT described in the passage
A．Whales migrate to breed and give birth to their young.
B．Whale-watching in Boston in summer is attracting.
C．Seals breed in the north before migration.
D．Reindeer feed on grass.
答案
参考答案：B
解析：[分析] 是非题型。 选项A(见文章最后一句)、选项C(见上题)和选项D(见第三句)的内容在文章中均有提及，所以选项B是答案。