Choice "D" is correct. An enterprise fund may be used to account for the provision of goods and services that are financed mainly by user charges. Both a state-operated lottery and a state-operated hospital are financed mainly by user charges.Choice "a" is incorrect. Both a state-operated lottery and a state-operated hospital are financed mainly by user charges and would most likely be accounted for as enterprise funds.Choice "c" is incorrect. Although the proposed answer properly identifies the lottery as an enterprise fund, it incorrectly excludes the hospital from classification as an enterprise fund. Hospitals are typically supported by patient service revenues (a fee paid by external users) and would, therefore, be most likely classified as an enterprise fund.Choice "b" is incorrect. Although the proposed answer properly identifies the hospital as an enterprise fund, it incorrectly excludes the lottery from classification as an enterprise fund. Lotteries are typically supported by fees from ticket/lottery sales to external users. The fund would, therefore, be most likely classified as an enterprise fund.