Why are today's older middle-aged an

Why are today's older middle-aged and elderly becoming the new winners?

• A.Because they made relatively small contributions in tax, but younger generation will possibly hand over more than a third of their lifetime's earnings for the care of them.
• B.Because they contributed a lot in tax and now can claim much on the welfare system.
• C.Because they made small contributions, but now can make money easily.
• D.Because they outnumber younger generation and enjoy more privileges in the present society.