All of the Following Are True About Annuities with the Exception

All of the following are true about annuities with the exception of the following:

A) they are sold to thousands of different people.
B) they can be in the form of a pension fund distribution.
C) an annuity is a series of equal payments.
D) the size of the payments you receive after you have bought the annuity will change as the prevailing interest rate changes.