The Advanced Properties sheet enables you to add which of the following? keywords
category
Author's name
All of the above

All of the above.

Explanation:

Microsoft Word refers to a word processing software application or program developed by Microsoft Inc. to enable its users type, format and save text-based documents.

The properties of a document is generally referred to as metadata and it includes details such as keywords, category, subject, title, and author name. These properties when properly entered into a document makes it easier to organize, search and identify the Ms-word document.

Hence, the Advanced Properties sheet of Microsoft Word enables you to add keywords, category and author's name.