Which of the Following Statements Is True Concerning the Matching

Which of the following statements is true concerning the matching principle?

A) All costs can be directly matched with revenue.
B) All costs can be indirectly matched with periods in which they provide a benefit.
C) The association of assets for a period with the liabilities necessary to generate the assets is known as the matching principle.
D) Cost of goods sold matched with sales revenue is a classic example of direct matching under the matching principle.