I copied a survey to make changes to it and test but somehow the copied version is the live version. I want to post the original.
Perhaps you can clarify what you mean by the ‘copied version is the live version’?
When you copy a survey, the copy should be an entirely new survey but will have all of the same questions and content as the original. The best way to confirm whether you are looking at the copy or the original is to look at the ‘Primary Share Link’ for both surveys.
This is the main survey share link found on the ‘Share’ tab:
Hope this helps!