Serena has just applied conditional formatting and realizes that she has made a mistake. Which action should she take to fix the mistake?
A
Clear the rule she created by going to the Conditional Formatting Rules Manager dialog box and deleting the rule.B
Clear all rules that have been applied to the worksheet or selected range by clicking the Clear Rules button.C
Use the Undo button or Ctrl+Z.D
Right-click the area where the conditional formatting rule has been applied and select Clear Rule from the menu list.