A. a sign that he means to tell you something B. a reflection of his moods and feelings C. an imitation of the spoken of adults D. an early form of language 参考答案:B 答案解析:[解析] 事实细节题。文章第二段第二句说几个月大的婴儿发出的一两个声音表明他们高兴、痛苦、友好等,即这些声音反应了他们的情绪和感情,因此[B]项与原文内容一致,为正确答案。原文说these canno