Which of the Following Is the Purpose of Accumulated Depreciation

Which of the following is the purpose of accumulated depreciation?

A) Accumulated depreciation's purpose is to provide details about the cost expiration of natural assets.
B) Accumulated depreciation's purpose is to provide details about the cost expiration of intangible assets.
C) Accumulated depreciation is an expense.
D) Accumulated depreciation's purpose is to capture all the depreciation taken to date on plant assets.