Question 146 : Inheritance

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? (Choose three.)

A. int foo() { /* more code here */ }
B. void foo() { /* more code here */ }
C. public void foo() { /* more code here */ }
D. private void foo() { /* more code here */ }
E. protected void foo() { /* more code here */ }