28. The most important service _______ money provides is that it is used to execute transactions. This is also an easily
understood function of money.
(A)why
(B) what
(C)whose
(D) that
The most important service that money provides is that it is used to execute transactions. This is also an easily understood function of money.貨幣提供的最重要的服務是它用於執行交易。 這也是一個容易理解的貨幣功能