Excel中,当C7单元格中有相对引用=SUM(C3:C6)

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问题: Excel中,当C7单元格中有相对引用=SUM(C3:C6),把它复制到E7单元格后,双击它显示出?

A: =SUM(C3:C6)

B:=SUM(C4:C7)

C:=SUM(E3:E6)

D:=SUM(E3:E7)