The correct answer is: A. overloaded
An overloaded function is a function that has the same name but different parameters. This allows you to create multiple functions with the same name but different functionality. For example, you could have an overloaded function called add() that takes two integers, two floats, or an integer and a float.
A template function is a function that can be used with different types of data. This is done by using a placeholder type in the function definition. For example, you could have a template function called print() that takes a variable of any type and prints it to the console.
A variable function is not a valid term in computer programming.
A virtual function is a function that can be overridden in a derived class. This allows you to create a hierarchy of classes where each class can have its own implementation of a particular function.
I hope this helps!