若两个投资项目的预期收益率相同，那么两者的投资风险（）-湖北继续教育网网校

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[单选题]若两个投资项目的预期收益率相同，那么两者的投资风险（）

A方差小的风险小

B方差大的风险小

C一样大

D无法比较

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