第16题: [单项选择]If the mother does not respond to her child's signals______. A. the child will never be able to speak properly. B. the child will stop giving out signals. C. the child will invent a language of its own. D. the child will make little effort to speak. 参考答案:D 答案解析:推理判断题。根据文章最后一段的内容:母亲忽视了孩子发出信号就会减少相互作用的效果,因为孩子受到了打击而只会发出明显的信号。据此判断,选项D是正确答案。