Collapsing a subdocument does which of the following?

A) Shows a subdocument as a hyperlink.
B) Shows the contents of a subdocument.
C) Shows the lower level headings in a document.
D) Hides the lower level headings in a document.

Collapsing Subdocument

An action or feature in document editing software that allows users to hide or minimize sections of a document, usually for easier navigation.

Lower Level Headings

Subordinate headings in a document used to organize content into sections and sub-sections beneath the main headings.

Subdocument

Part of a larger document, treated as an individual document within a larger file or project, facilitating easier management of complex documents.