2. public class Foo implements Runnable （  3. public void run （Thread t） {  4. system.out.printIn（“Running.”）；  5. }  6. public static void main （String[] args）  {  7. new thread （new Foo（））.start（）； 8. ）  9. ）   What is the result？（）      

• A、 An exception is thrown.
• B、 The program exists without printing anything.
• C、 An error at line 1 causes compilation to fail.
• D、 An error at line 6 causes the compilation to fail.
• E、 “Running” is printed and the program exits.