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1. class A implements runable (   2. int i;   3. public void run () (   4. try (   5. thread.sleep(5000);   6. i= 10;   7. ) catch(InterruptedException e) {}   8. )   9. )   10.   11. public class Test {   12. public static void main (string args) (   13. try (   14. A a = new A ();   15. Thread t = new Thread (a);  16. t.start();  17.   18. int j= a.i;   19.   20. ) catch (Exception e) {}   21. )   22. )   Which statement al line 17 will ensure that j=10 at line 19?()

A、 a.wait();

B、 t.wait();

C、 t.join();

D、 t.yield();

E、 t.notify();

F、 a.notify();

G、 t.interrupt();

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