题目内容：
Questions are based on the following passage．
注意：此部分试题请在答题卡2上作答。
By saying“the growth of the proportion…to younger generations．”(Line 2，Para.5)，Anthea Tinker really means that________.
[A]currently wealth flows from older generation to younger generation
[B]traditionally wealth flows from younger generation to older generation
[C]with the increasingly big population of over 50，the trend arises that wealth flows from younger generation to older generation
[D]with more and more people of over 50，traditions have been reversed
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答案解析：