Under what conditions is an​ accrual-basis taxpayer allowed to defer reporting advance payments received

Under what conditions is an​ accrual-basis taxpayer allowed to defer reporting advance payments received for​ services?
A.
An​ accrual-basis taxpayer may defer reporting prepaid service income for the length of the service​ contract, up to five years.
B.
An​ accrual-basis taxpayer may defer reporting prepaid service income if the services are to be rendered before the end of the tax year following receipt.
C.
An​ accrual-basis taxpayer may defer reporting prepaid service income for the length of the service​ contract, up to three years.
D.
An​ accrual-basis taxpayer may not defer reporting prepaid service income. All income must be reported in the year in which payment is received.