Answer :
The most likely reason why one of the other participants would ask a follow-up question is to; clarify something confusing or unclear.
What is a follow-up question?
A follow-up question by definition is a specific question asked after a general or open question to clarify or elicit further information.
It therefore follows from above that the follow-up question was in a bid to clarify something confusing or unclear.
Read more on follow-up question;
https://brainly.com/question/17007432