Concept:In spreadsheet terminology, a workbook is the file that contains all other spreadsheet elements.
Explanation:A workbook is the largest component of a spreadsheet.
It contains multiple worksheets.
Each worksheet can hold many ranges of cells.
A range is a group of selected cells, and a cell is the smallest unit.
Therefore, the hierarchy is: workbook > worksheet > range > cell.
Answer:Workbook, which is Option C.