A requirement that the Governors operating budget be balanced usually means that A. the state can have no debt. B. all expenditure proposed in that document must be covered either by revenue raised currently or available from prior year surpluses. C. all expenditure proposed in that document must be covered either by revenue raised currently, available from prior year surpluses, or by borrowing on the promise to repay from future revenues. D. state expenditure cannot exceed state revenue for the year