Answer:
The answer is "Parent".
Explanation:
Please find the complete question in the attached file.
In this question, both the "Parent and GrandParent" class are called as the ancestor of class, in which it has multiple parents can have a class, throughout a class of ancestors. It's a superclass (a parent class, a parent of a parent class, and so on), and during a class of ancestors, the class is a superclass.
