Why Is Determining the "Cut-Off" Point Critical in the Accrual

Why is determining the "cut-off" point critical in the accrual basis of accounting?

A) Based on the periodicity concept, financial statements are prepared on a regular basis.
B) It is important to reflect business transactions and events in the subsequent accounting period.
C) The point in time at which one reporting period ends and another begins is important.
D) Transactions must be reported in the cut-off period before the statements are authorized.