Which one of the following buttons is used for paragraph alignment?
A.
B.
C.
D.

The button which is reflecting at option A is used for paragraph alignment.
Text alignment is a paragraph formatting attribute that determines the appearance of the text in a whole paragraph. For example, in a paragraph that is left-aligned, text is aligned with the left margin. In a paragraph that is justified, text is aligned with both margins.
Paragraph alignment refers to how the left and right edges of a paragraph align on a page. You can left-align, center, right-align, and justify a paragraph. The paragraph formatting commands are located in the Paragraph group on the Home tab of the Ribbon.
Thus Option A is true as it is used for paragraph alignment.
Learn more about paragraph alignment here,
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