【正确答案】 D

【答案解析】[解析] 本题属细节性问题。根据第47题的讨论，可以看出：没有两个读者阅读同样的报纸，是因为每个读者都是选择自己感兴趣的内容。在根据文章最后一句For all these reasons，reading newspapers efficiently， which means getting what you want from them without missing things you need but without wasting time，demands skill and serf-awareness as you modify and apply the techniques of reading。综上所述得出的结论为D项，读者看报通常是有选择性的。