What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Were you referring to the Radio option field on your form https://www.jotform.com/70225621754250 ?
The Radio option field have that feature that will allow only one selected answer every time.
The similar field that allow multiple selection is the Checkbox field.
So you can use Checkboxes field instead.
Let us know if you need further assistance.