Whats a benefit of using polymorphism when writing classes?

Select one$*$

A$.$ A class method may react differently when given different types or different numbers of parameters.$*$

B$.$ A class may be created or deleted dynamically during the execution of a program.$*$

C$.$ A class may be able to detect memory leaks and virus activity.$*$

D$.$ A polymorphic class can be used on multiple types of operating systems.