Answer option A. You can divide the specified paragraph into two columns with a specified width. The verification steps are as follows:

1, open a word document:

2. After opening the word document, click Layout on the menu bar:

3. After clicking the layout, click the following column, and then click more columns below it:

4. after clicking on the two columns, you can see that the width and spacing can be adjusted at will, so the answer is a.