When a function fun() is to receive an int, a single & a double and it is to return a decimal, then the correct way of defining this C# function is?

A.

static fun(int i, single j, double k)
{
    return decimal;
}

B.

static decimal fun(int i, single, double k)
{
 
}

C.

decimal fun(int i, single j, double k)
{
 
}

D.

decimal static fun(int i, single j, double k)
{
 
}

Answer: Option B