The bus is so crowded that there is______ sufficient room for you.

A．By taking photographs for magazines.
B．By marrying a rich man.
C．By subletting the lounge sofa-bed to her brother.
D．By preparing food for photographs for some magazines.

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.