What will be the output of the following C# code?

static void Main(string[] args)
{
    float a = 10.553f;
    long b = 12L;
    int  c;
    c = Convert.ToInt32(a + b);
    Console.WriteLine(c);
}

A. int B. string C. double D. character

A. ; B. : C. . D. ,

A. num = int; B. var num; C. num int; D. int num;

A. Declares a constant B. Converts a variable to string C. Implicitly declares a variable D. Defines a method