The following statements are consistent with the characteristics of the international monetary system under the Jamaica system:

A.The sovereign credit currency of some countries serves as an international currency.

B.Generally, the degree of exchange rate fluctuation has increased.

C.Diversification of exchange rate arrangements.

D.Gold is an important international currency.

E.Fixed exchange rate system for major currencies.

正确答案：The sovereign credit currency of some countries serves as an international currency.；Generally, the degree of exchange rate fluctuation has increased.；Diversification of exchange rate arrangements.