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【单选题】
下列关于期权的表述中，不正确的是（ ）。A.
标的资产的价格越低、执行价格越高，看跌期权的价格就越低
B.
一份期权合约的价值等于其内在价值与时间价值之和
C.
全美范围内的标准化的期权合约是从1973年芝加哥期权交易所的看涨期权交易开始的
D.
在期权有效期内，标的资产产生的红利将使看涨期权价格下降，而使看跌期权价格上升
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