Why should you ask follow-up questions during a peer review?

so that the reviewer knows you paid attention

to help prove that the reviewer actually read your work

to help make sure you get all the feedback you need for your revision

so that reviewers can give all of their opinions about your work

3 answers

to clarify any ambiguous feedback or suggestions provided by the reviewer

to gain a better understanding of the reviewer's perspective and reasoning

to encourage a more in-depth discussion and potential brainstorming of ideas for improvement
whats the answer from the answers ive listed
The answer from the answers listed would be: to help make sure you get all the feedback you need for your revision.