多项选择题

A.单击Sheetl标签,按Ctrl键,单击Sheet2标签,单击Sheet3标签
B.单击Sheetl标签,单击Sheet2标签,单击Sheet3标签
C.单击Sheetl标签,按Ctrl键,单击Sheet3标签
D.单击Sheetl标签,按Shift键,单击Sheet3标签