Which of the Following Statements Describes a Major Contradiction Faced

Which of the following statements describes a major contradiction faced by developed democracies in their attempts to maintain the welfare state?

A) The problem could be mitigated by accepting more immigrants, but that creates a new problem because citizens are largely unwilling to extend benefits to immigrants.
B) One possible solution is to cut back on benefits, but benefits have already decreased as revenues have shrunk, and yet the problem has not diminished.
C) Expanding the labor market through measures like increased retirement age is a potential solution, but so far advanced democracies have only proved to be willing to shrink the labor market.
D) A shift back to industrial labor would provide more concrete employment and benefits for many, but such a move would reduce the overall revenue of the state.