Which of the Following Is Not a Reason for Why

Which of the following is not a reason for why adjusting journal entries are necessary?

A) to ensure all revenues are recognized in the period earned
B) to ensure all expenses are recognized in the period incurred
C) because U.S. GAAP requires that financial information be reported using the accrual basis of accounting
D) because U.S. GAAP requires that financial information be reported on the cash basis of accounting and adjusting entries adjust accounts from the accrual to the cash basis