Which statements concerning the event model of the AWT are true?()
A.
At most one listener of each type can be registered with a component.
B.
Mouse motion listeners can be registered on a List instance.
C.
There exists a class named ContainerEvent in package java.awt.event.
D.
There exists a class named MouseMotionEvent in package java.awt.event.
E.
There exists a class named ActionAdapter in package java.awt.event.