问题：

[多选]

class One { 
void foo（） {} 
} 
class Two extends One { 
 //insert method here 
} 
Which three methods， inserted individually at line 14， will correctly complete class Two？（）

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 */ }