Answer:
D. Fill handle
Step-by-step explanation:
Required
Which can be used to copy from cell to cell
(a); Means the current cell being selected in the spreadsheet program
(b): Used to fit all columns in the spreadsheet program. Usually, the columns are fitted based on their width.
(c): The vertical and horizontal lines that separate cells.
(d): This is used to copy from one cell to another, especially adjacent cells.