To quickly change the font and paragraph settings for headings and body text in a document, which of the following should be done?

A) Change the document orientation.
B) Change the document margins.
C) Change the theme effects.
D) Change the style set.

Document Orientation

The layout of a document or page which can be either portrait (vertical) or landscape (horizontal).

Theme Effects

A set of visual enhancements applied to a document or presentation based on the chosen theme, affecting elements like shapes, charts, and SmartArt with consistent effects.

Style Set

A collection of formatting choices that can be applied to texts in documents to ensure consistency in appearance.