1. public class TestSeven extends Thread f 2. private static int x 3. public synchronized void do Things0 t 4. int currentx 5. current++ 6. x current, 7 8. public void run) 9. doThings 10. Which statement is true? A. Compilation fails B. An exception is thrown at runtime. C. Synchronizing the run) method would make the class thread-safe. D. The data in variable "x" are protected from concurrent access problems. E. Declaring the doThings) method as static would make the class thread-safe. are protected from