Question: What statement about static methods is true?

1. Static methods are called static because they always return `None`.
2. Static methods can be bound to either a class or an instance of a class.
3. Static methods serve mostly as utility methods or helper methods, since they can't access or modify a class's state.
4. Static methods can access and modify the state of a class or an instance of a class.

Answer: The correct answer of the above question is Option C:Static methods serve mostly as utility methods or helper methods, since they can't access or modify a class's state.