Which statement is most likely correct about retirement planning?

Question $15$ options:

A$)$

Social Security is sufficient to cover your cost of living.

B$)$

Most retirees don't need to worry about inflation.

C$)$

Your employer's pension combined with your Social Security will cover your basic living expenses.

D$)$

Your expenses will drop once you retire.

E$)$

Your investment perfomance needs to keep pace with inflation.