Which of the following font effects is available in PowerPoint Font dialog box?

Among the listed options, Strikethrough is a font effect directly available within the Font dialog box in PowerPoint. This effect draws a line through the middle of the selected text.

• Underline (A) is also a font effect and is available, often as a direct button or within the Font dialog. However, 'Strikethrough' is distinctly listed under the 'Effects' section of the Font dialog.
• Shadow (B) and Emboss (C) are typically considered 'Text Effects' in PowerPoint, found in a separate 'Format Shape' or 'Text Effects' panel, rather than the primary 'Effects' section of the standard Font dialog box. The question specifically asks about the 'Font dialog box's effects.