WhichofthefollowingaretrueaboutWebSphereCommercePaymentscassettes？（）

A．Thesitedoesnotneedacassette，unlessthesiterequiresreal-timecreditcardvalidation. B．Acassetteisapieceofplug-insoftwarethatprovidessupportforaspecificpaymentsystem. C．TheCyberCashcassetteisinstalledbydefault，withtheinstallationofWebSphereCommercePayments. D．ThirdpartycompaniescancreatecustomcassettesthatwillworkwithWebSphereCommercePayments. E．Cassettesconvertthemerchantpaymentrequesttothepaymentprotocolofthelocalpaymentsystem.