Which of the following is the correct way to call the function abc() of the given class csharp given below?

delegate void del(int a);csharp s = new csharp();del d = new del(ref s.abc);d(10);

csharp s = new csharp();delegate void d = new del(ref abc);d(10);

delegate int del(int a);del d;csharp s = new csharp();d = new del(ref s.fun);d(10);

Which of the following is the correct way to call the function abc() o

1.	Which of the following is the correct way to call the function abc() of the given class csharp given below?
A.	delegate void del(int a);csharp s = new csharp();del d = new del(ref s.abc);d(10);
B.	csharp s = new csharp();delegate void d = new del(ref abc);d(10);
C.	delegate int del(int a);del d;csharp s = new csharp();d = new del(ref s.fun);d(10);
D.	none of the mentioned
Answer» D. none of the mentioned