Hi @Emily_WR,
Could you please share a screenshot of the configuration of your flow?
I have made a test on my side and I have created a form which have question with multiple options to answer,and I could send all the options of the question on the email:
The screenshot of my flow as below:

The flow would run successfully as below:

Please let me know if your problem could be solved or share more details so we would try to provide a proper workaround for you.
Best regards,
Alice