Rows in Excel are labeled with:

Spreadsheet programs like Excel organize data in a grid, using a coordinate system to identify each individual cell. This system relies on distinct labels for both columns and rows, which are crucial for navigation and for constructing cell references in formulas.

• C: Numbers is the correct answer. Rows in Excel are labeled sequentially with numbers (1, 2, 3, and so on) down the left side of the worksheet. This numerical labeling, combined with the alphabetical column labels, forms the unique address for every cell (e.g., A1, B5).
• A: Letters are used to label columns, not rows.
• B: Symbols are not used for labeling rows in standard spreadsheet software.
• D: Roman numerals are a type of number, but they are not the standard convention used for labeling rows in Excel; Arabic numerals are used.