(A) The children listings become orphans and are shown as individual products.
(B) All the children listings get deleted too.
(C) The first child listing created will become the parent listing.
Explanation
If the parent listing gets deleted, it creates orphan children listings, splitting up the variation. These orphans will show as individual products.
Conclusion
This question is from the Semrush Amazon Seller Certification Exam. You can find all the answers to the questions asked in this exam on our Semrush Amazon Seller Certification Exam Answers page.