A. may have problems with their hearing B. usually pay close attention to what they hear C. often take a long time in learning to listen properly D. probably do not hear enough language spoken around them 参考答案:C 答案解析:[解析] 推理判断题。文章第一段第二句提到late starters are often long listeners(学说话越迟，孩子听的时间就越长)，解答此题的关键是理解long listener
