If a Company Is Using the Accrual Method of Accounting,when

If a company is using the accrual method of accounting,when is revenue recorded?

A) When cash is received, even though services may be rendered at a later date
B) When services are rendered, even though cash may be received at a later date
C) When cash is received, before the completion of the services
D) When cash is received, 30 days after the completion of the services