Why Are Public Pensions in Europe in Even Greater Trouble

Why are public pensions in Europe in even greater trouble than Social Security in the United States?

A) The size of the European "baby boom" is much greater than in the United States.
B) European nations spend considerably more on their pension programs than does the United States.
C) Europeans like to retire at an even later age than do Americans.
D) European countries typically provide health care to retirees while the United States does not.
E) All of the above