Multi-select problem: How does the next paragraph end?

How to use a cookie press
Roll your cookie dough into a log.
Your cookie dough needs to be log shaped so it's thin enough to fit into the barrel of the cookie press. To roll the dough into a log, pick it up and roll it between your hands.

Options are: a. Make sure the log is short enough and thin enough to fit in the cookie press barrel. To save time, buy premade cookie dough that comes in a log shape. b. One of the drawbacks to this job is that it's so hard to cut the cookie dough into the barrel, making it lumpy. If you have the time and patience to roll out a log, simply fold it in half. c. A log will be used to create the barrel. Set your log on a flat, level surface and take the bottom half of it. d. Remove any sticks you add or residue from the log. Roll your log to the thickness of your want the cookie to appear.
a.