Which of the Following Explains Why Some People Have Suggested

Which of the following explains why some people have suggested raising the eligibility age for Social Security?

A) Social Security has had a surplus for the past decade.
B) Social Security benefits have been cut in recent years.
C) Social Security may not be sustainable without cutting benefits.
D) Social Security may not be sustainable given the current number of children in the program.
E) Social Security may not be sustainable given the number of poor people in the program.