Class $\backslash ($ D $\backslash )$ is a subclass of $\backslash ($ C $\backslash ),$ which of the following method header may appear in class $\backslash ($ B $\backslash )?$

$```$

interface A $\{$

int someAction$($C c$)$;

$\}$

class B implements A $\{$

$\{$

$//$ implementation of someAction in B$,$ assume the implementation is correct

$\}$

$\}$

$```$

public long someAction$($C c$)$

public int someAction$($C c$)$

int someAction$($C c$)$

public int someAction$($D c$)$