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

static void Main(string[] args)
{   
    int a = -1;
    int b = -1;
    if (Convert.ToBoolean (++a = ++b))
    Console.WriteLine("a");
    else
    Console.WriteLine("b");
    Console.ReadLine();
}

What is the purpose of the 'if' statement in C#?

A. To execute a block of code repeatedly

B. To handle exceptions

C. To execute a block of code if a condition is true

D. To define a method

Which control flow statement is used to iterate over a collection in C#?

A. for

B. foreach

C. do-while

D. None of the above

What is the result of the expression 5 > 3 ? "Yes" : "No" in C#?

A. 5 > 3 ? Yes : No

B. 5 > 3 ? "Yes" : "No"

C. Yes

D. No

What does the 'break' statement do in a loop in C#?

A. Skips to the next iteration

B. Continues to the next loop iteration

C. Initializes the loop

D. Terminates the loop