When the Balance of the Unearned Revenue Account Decreases During

When the balance of the Unearned Revenue account decreases during an accounting period:

A) Accrual-basis revenues exceed cash collections from customers.
B) Accrual-basis expenses exceed cash collections from customers.
C) Accrual-basis revenues are less than cash collections from customers.
D) Accrual-basis net income is less than cash-basis net income.