To explain more, we have created an email preferences form (embedded on a Marketo landing page) wherein each selection uses a boolean field:
Fields on existing member record:

Fields as selections on Marketo form/landing page:

I've scoured through Sandy's blogs on forms on https://blog.teknkl.com/, but did not come across a specific solution for my situ.
Is it possible to show each of the options above only if the corresponding field on an individual member's record is unchecked/false? And/or can the option be shown as checked if it is checked/true on the member's record?
Thank you,
LK