Given: class Worker extends Thread{ CyclicBarrier cb; public Worker(CyclicBarrier cb) { this.cb = cb; } public void run (){ try{ cb.await(); System.out.println("Worker"¦"); } catch (Exception ex){} } } class Master implements Runnable {//line n1 public void run (){ System.out.println("Master"¦"); } } and the code fragment: Master master = new Master(); //line n2 Worker worker = new Worker(cb); worker.start(); You have been asked to ensure that the run methods of both the Worker and Master classes are executed. Which modification meets the requirement? 

Answer options:

A. At line n2, insert CyclicBarrier cb = new CyclicBarrier(2, master);
B. At line n2, insert CyclicBarrier cb = new CyclicBarrier(1);
C. At line n2, insert CyclicBarrier cb = new CyclicBarrier(1, master);
D. At line n2, insert CyclicBarrier cb = new CyclicBarrier(master);

C