以下不能提供重打保险单据交易的保险公司是（）.
A.中国人寿
B.中国太平洋人寿
C.平安人寿
D.泰康人寿
参考答案：C
Index funds are:（）
A. on average underpriced by 15%, but this underpricing varies over time, which supports the EMH.
B. on average overderpriced by 15%, but this overpricing varies over time, which supports the EMH.
C. security portfolios designed to duplicate the composition and therefore the performance of a selected market index series.
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