By saying "the growth of the proport

By saying "the growth of the proportion...to younger generations." (Line2, Para. 5), Anthea Tinker really means that ________.

• A.currently wealth flows from old generation to younger generation
• B.traditionally wealth flows from younger generation to old generation
• C.with the increasingly big population of over 50, the trend arises that wealth flows from younger generation to old generation
• D.with more and more people of over 50, traditions have been reversed