单选题 It can be concluded from the passage that the writer ______.

A、 calls attention to the living conditions of older Americans.
B、 believes that the value of older people is gaining increasing recognition.
C、 attempts to justify the youth-oriented, throw-away culture of the United States.
D、 argues people should not retire at the age of 65 or 70.

【正确答案】 B

【答案解析】本题为主旨题。首先作者分析了长者的智慧和价值，接着说到美国老人在社会中发挥着积极作用，在文章最后一段又说到长者的价值已被越来越多的雇主认识到。通篇文章反映了作者相信长者一定会受到人们越来越多的肯定。