25. 期貨具有哪些功能?甲.投機;乙.避險;丙.價格指標
(A)僅甲、乙
(B)僅乙、丙
(C)僅甲、丙
(D)甲、乙、丙

答案:登入後查看
統計: A(3), B(0), C(2), D(44), E(0) #1787839