Ted wants to be able to use his PivotTable to combine items into groups.Which of the following is true?
A) Items that appear as row labels cannot be grouped.
B) Items that appear as column labels can be grouped.
C) If items are dates, they cannot be grouped automatically using the Grouping dialog box.
D) If items are numbers, they cannot be grouped manually using the Ctrl key to select items in a group and then choosing Group from the shortcut menu.