What is the output of the following sequence of statements? int a=5; switch(a) { case 4: a+2; System.out.print(a); break; case 5: -- System.out.print(a); case 6: System.out.print(a); a+=3; case 7: System.out.print(a); a/=4; case 8: System.out.print(a); a++; break; case 9: System.out.print(a); } A) 4471 B) 4711 C) 4771 D) 5711 E) 5771