Which of the following should you use to add shading to a drawing object on or an auto shape object? A. Text box tool B. Line tool C. Fill color D. B and C

The correct answer is C. Fill color.

The fill color is the color that fills the inside of a drawing object or an auto shape object. You can use the fill color to add shading to a drawing object or an auto shape object.

The text box tool is used to create text boxes. The line tool is used to create lines. Both the text box tool and the line tool do not have the ability to add shading to a drawing object or an auto shape object.