[单项选择]According to the text, if a person never forgot,______. A. he would survive best B. he would have a lot of trouble C. his ability to learn would be enhanced D. the evolution of memory would stop
参考答案:B 答案解析:推理判断题。根据文章第三段第三、四句,特别是Without forgetting,adaptive ability would suffer.(没有遗忘过程,人就无法适应)。段落最后的结论是: Thu