单选题 If a child starts to speak later than others, he will ______.

【正确答案】 D

【答案解析】文章第四段第一句话举出例子：speech started late in a child who eventually turns out to be of high IQ，这说明说话晚的孩子后来也可能具有高智商，也就是说，说话晚并不一定低智商。故答案为D。