For the purpose of locating a specific element within an array, a subscript is used as an index. Hence, Option A is correct.
Characters that are slightly below or above the normal line of type, respectively, are referred to as subscripts or superscripts. Typically, it is smaller than the rest of the text. Superscripts are above the baseline, while subscripts are at or below.
A character, symbol, or number that is subscripted is one that is positioned just below the main line of text. It is typically used in mathematical or scientific formulas and is always smaller than the regular font.
Therefore, Option A is correct.
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