What is the primary purpose of bean definition inheritance? (Select one or several answers)

What is the primary purpose of bean definition inheritance? (Select one or several answers)
A . To configure Java class inheritance dynamically within the XML bean definition file
B . To reduce the amount of configuration required by inheriting properties from other bean definitions
C . To allow Spring beans to be created on the fly from classes declared as abstract
D . To simplify configuration by allowing multiple properties files to be loaded in a hierarchy to specify bean properties

Answer: B