单选题 The Eskimo doesn' t seem to care much about the welfare of his dogs because ______.
A．he is naturally cruel to animals
B. he thinks of them as workers rather than peers
C. he dislikes his quarrelsome dogs
D. his dogs can endure extreme cold

【正确答案】 B
【答案解析】[考点] 本题为推理判断题。
[解析] 文章第二段指出，爱斯基摩人让狗拉雪橇，并严格控制着狗的行为。