To move to the beginning of a line of text, press the _____ key.

The correct answer is A. Home.

The Home key is a key on a computer keyboard that moves the cursor to the beginning of the current line of text. It is usually located in the upper left corner of the keyboard, next to the left Ctrl key.

The other options are incorrect for the following reasons:

• Option B, A, is incorrect because the A key is used to type the letter A.
• Option C, PageUp, is incorrect because the PageUp key moves the cursor up one page.
• Option D, Enter, is incorrect because the Enter key is used to submit a form or start a new paragraph.
• Option E, None of these, is incorrect because the Home key is the correct answer to the question.