In an Excel document, to insert a new column to the left of a specific column, right-click the header indicating the letter of the column and select____.

paste special. 

add column left.  

Insert.  

insert left column.  

Insert.

To insert a new column to the left of a specific column in an Excel document, right-click the header indicating the letter of the column and select "Insert."

To insert a new column to the left of a specific column in an Excel document, you would typically follow these steps:

1. Open the Excel document and navigate to the sheet where you want to insert the new column.
2. Find the column to the right of where you want to insert the new column.
3. Right-click on the column header, which is the letter indicating the column (e.g., A, B, C).
4. In the right-click menu, select "Insert" or "Insert Left" option. The exact wording may vary depending on the version of Excel you are using.

So, the correct option to select in this case would be "Insert" or "Insert Left" from the right-click menu.