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单项选择题如果投资者预期两份合约之间的价差将收窄,他将启动价差()

A、selling the contract offered at the higher price and selling the contract offered at the lower price

B、buying the contract offered at the higher price and buying the contract offered at the lower price

C、buying the contract offered at the higher price and selling the contract offered at the lower price

D、以较高的价格出售合同,以较低的价格购买合同

  • D
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