Which of the followings is/are not false about friend function ? 1. It can be called / invoked with class object. 2. It has objects as arguments. 3. It can have built-in types as arguments. 4. It must declared only in public part of a class. 5. It does not have this pointer as an argument.

Which of the followings is/are not false about friend function ? 1.

1.	Which of the followings is/are not false about friend function ? 1. It can be called / invoked with class object. 2. It has objects as arguments. 3. It can have built-in types as arguments. 4. It must declared only in public part of a class. 5. It does not have this pointer as an argument.
A.	Only 2,4
B.	Only 1,2,5
C.	Only 2,3,5
D.	All of these
Answer» D. All of these