单项选择题

案例分析题

We will live in a society when cash no longer exists.Instead，’cash’would be electronic，as in bank-card systems.Notes and coins would be abandoned.Its benefits would be profound and fundamental.Theft of cash would become impossible.Bank robberies and cash-register robberies would cease to occur.Urban streets would become safe.Retail shops in once dangerous areas could operate in safety.Neighborhoods would improve.
National electronic-money system would operate as a debit-card system.Each individual’s money would be held in his money-system account.A transaction would affect an instant transfer of money from his account to that of another account holder.Only cash would be supplanted by electronic money.Credit card and automatic-teller-machine system would not necessarily change，although you could no longer obtain cash at ATMs.

In future, what kind of form. will the money be?（）