Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()
A: public void foo() {  }
B: private void foo() {  }
C: protected void foo() {  }
D: int foo() {  }  
E: void foo() {  }
出自:Oracle认证