When the Text Says That Social Security Benefits Are Indexed

When the text says that Social Security benefits are indexed, it means that these benefits

A) are generally distributed in alphabetical order.
B) are distributed to older beneficiaries before younger beneficiaries.
C) depend on the state in which the beneficiary resides.
D) are adjusted to take account of the age of the beneficiary.
E) are adjusted to take account of the rate of inflation.