Which of the Below Statements Is TRUE

Which of the below statements is TRUE?

A) An insured plan is always safer than a noninsured plan.
B) A federal agency, the Pension Benefit Guaranty Corporation (PBGC) does not insure the vested benefits of participants.
C) Defined benefit plans that are guaranteed by life insurance products are called insured benefit plans.
D) A plan sponsor establishing a defined-benefit plan cannot use the payments made into the fund to purchase an annuity policy from a life insurance company.