According to the third paragraph, it can be seen that older Americans with new opportunities remain______in society.

A．People will accumulate less money to support themselves.
B．People will be deprived of a couple of productive years.
C．People will discover the life is plain and boring after retirement.
D．People will not get all of the pensions.

A．The number of sun flares.
B．The sunspot cycle.
C．The heat of the sun.
D．The weather.