Cpp Programming Quiz 136 – Which of the following statements is incorrect?

Question: Which of the following statements is incorrect?
[A]. Friend keyword can be used in the class to allow access to another class.
[B]. Friend keyword can be used for a function in the public section of a class.[C]. Friend keyword can be used for a function in the private section of a class.
[D]. Friend keyword can be used on main().

Answer: Option D