Keynote
select entire rows or columns
Click anywhere in the table to show letters above the columns and numbers to the left of the rows, then do any of the following:
Select a single row or column: Click the number or letter for the row or column.
Select multiple rows or columns: Click the number or letter for a row or column, then drag a white square to encompass the rows or columns.
Select nonadjacent rows or columns: Command-click the numbers or letters for the rows or columns.