Susan is creating a spreadsheet and she needs to enter the days of the week in column A. Susan should?

Susan should use "Auto fill option"

Explanation:

Susan should,

Enter the title as "Days of the week" in the column as required Then start typing "Monday" below the column heading Then move the cursor till the end of the cell to pull the handle Drag the handle (Auto fill) as required Now the days of the week will be filled starting from Monday to Sunday and it goes on repeating.

You can also use the "Auto fill" to fill the "months of the year, dates" and so on.