Answer:
D. select the object and drag a row or column divider on the active object.
Step-by-step explanation:
Worksheets, rows, columns, and excel workbooks are collectively termed as Excel objects. All the rows are collectively termed as rows object and all the columns are collectively termed as columns object. In order to change the number of rows or columns, the row or column is selected and dragged. The selected row or column can be changed as required.