Final answer:
You can export a list of all field names in Marketo from the Field Management section in the Admin area, which can then be provided to your CRM administrator.
Step-by-step explanation:
To provide a list of all the field names in Marketo, you would choose option A: Export it from the Field Management section inside the Admin area. Marketo allows users to manage and export the structure of their database, including field names, from the admin section. You would simply navigate to the Field Management area within the Admin section of Marketo and export the list of fields to a file format such as CSV. This can then be shared with your CRM administrator.