To have text appear at the bottom of each page in a document, do which of the following?

A) Double-click the footer region of the page and enter the desired text.
B) Manually enter the desired text at the bottom of each page.
C) Double-click the header region of the page and enter the desired text.
D) Insert an endnote with the desired text.

Double-clicking the footer region of the page will open the footer section where you can enter the desired text. This will ensure that the text appears automatically at the bottom of each page in the document. Option B would require manual input on each individual page, making it tedious and prone to errors. Option C would insert the text in the header region which is not the desired location. Option D would insert an endnote which appears at the end of the document rather than at the bottom of each page.