public class Threads4 

public class Threads4 {  public static void main （String[] args） {  new Threads4（）.go（）；  }  public void go（） {  Runnable r = new Runnable（） { public void run（） {  System.out.print（”foo”）；  }  }；  Thread t = new Thread（r）；  t.start（）；  t.start（）；  }  }  What is the result？（） 

• A Compilation fails.
• B An exception is thrown at runtime.
• C The code executes normally and prints „foo”.
• D The code executes normally， but nothing is printed.