單項選擇題交易所目前黃金的倉儲費率為:實物出庫日為(),買入貨權(quán)庫存為()

A.1.8元/千克*天,0.011元千克*天
B.0.6元/千克*天,18元/千克*天
C.1.8元千克*天,0.6元/千克*天
D.1.2元/千克*天,1.2元/千克*天


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