Which of the Following Best Describes a Timer Component

Multiple Choice

Which of the following best describes a timer component?

A) it starts when a GUI component is first initialized, and ends when it is destroyed
B) it generates action events at regular intervals
C) every object has a timer, and it is implicitly activated in the constructor of the object
D) it determines the amount of time it takes to execute a method
E) a timer cannot be considered a GUI component