The main elements of the Jamaica Accords include（）.

A.Diversification of international reserve assets.

B.Diversification of exchange rate arrangements.

C.A variety of channels regulate the balance of payments.

D.With gold as the basis and the US dollar as the main international reserve assets, the international monetary system of "double linkage" is implemented.

E.A fixed exchange rate system.

正确答案：Diversification of international reserve assets.；Diversification of exchange rate arrangements.；A variety of channels regulate the balance of payments.