While configuring a Content Fragment Component, the author has selected 'Display Mode' as 'Single Text...

When the 'Display Mode' is set to 'Single Text Element' in the configuration of a Content Fragment Component in AEM, the properties that will determine the resulting action are related to how the text is displayed and managed in terms of paragraphs.

C. Paragraph Range — This property would determine the range of paragraphs to display from the multiline text element.

D. Paragraph Scope — This property would define the scope of the paragraph, such as whether all paragraphs are included or just a specific subset.

Options A (Paragraph Description) and B (Paragraph Heading) are not directly related to the action of displaying a single text element with paragraph control.