How to Create a New Answer Choice
Only superusers can work with answer choices.
On the Settings page, under the Setup area, click Response Choices. The first tab is Answer Choices. Click the + sign to add a new answer choice.
Fill out all fields and click Save.
Note you cannot create managed answer choices.
See also: https://saltycloud.atlassian.net/wiki/spaces/TES/pages/1275463545