When You Implement Equals in a Subclass, You Should First

Multiple Choice

When you implement equals in a subclass, you should first call equals in the superclass.Why?

A) To ensure that the superclass constructor has already executed.
B) To check whether the objects being compared are instances of the same class.
C) To prevent a bad cast and the possibility of an exception.
D) To check whether the superclass instance variables match.