问题
多项选择题
影响油价的因素（）。
A.供需因素
B.政治经济因素
C.期货投机
D.石油库存
答案
参考答案：A, B, C, D
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影响油价的因素（）。
A.供需因素
B.政治经济因素
C.期货投机
D.石油库存
参考答案：A, B, C, D
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