A. a change in the status of literate people B. a change in the nature of reading C. an increase in the number of books D. an increase in the average age of readers 参考答案:B 答案解析:[精解] 原文没有提到读书人社会地位的提高[A],也没有提到书的数量的增加[C]以及读者岁数的增加[D],所以只有[B]是可能的答案,而原文中第二段最后一句“the tasks changed in