It is implied in the last paragraph that___________.A、sleeping less is good for human development
B、it is incorrect to say that people sleep too little
C、those who can sleep less should be encouraged
D、people ought to be persuaded to sleep less than before
【正确答案】：C
【题目解析】：题目问的文章最后一段暗示到___________。根据最后一段的第一句话Other people feel sure that the present trend is towards too little sleep.可知，另一些人是完全相信目前的趋势是减少睡眠，因此选择C. those who can sleep less should be encouraged.（睡眠少的人应该得到鼓励）。