1。small animals, plants, and insects disappeared, presumably not all throug human consumption. 划线部分并没有否认人不吃它们。B选项说,证据说明人们确实make use of them。没有weaken。
2。此题问法是weaken K's objection to M's theory.K's objection 有三个:1.没有这些人的地方的的动物也灭绝了;2。没有完全被人消费的小动物,植物,昆虫等也灭绝了;3。反对M'排除了气候的的影响。1的内容选项中没有;2的内容在选项B中提到,但没有weaken的作用;3的内容要求要求,如果要weaken的话,必须指明气候不是原因。而c是:
C. Additional evidence indicating that widespread climatic change occurred not only at the end of the Pleistocene era but also in previous and subsequent eras