As mentioned in my reply:
If multiple list options are available in your UP form, those options will also appear on the unsubscription confirmation page, as an alternative for contacts that click the unsub link in the footer.
Therefore, you simply need to setup your UP form with multiple list options, if you want those options to show on your unsubscription page. If you do not setup your UP form to have multiple list options, then your unsubscription page will not be able to show them.
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