Consider the following declarations.

public abstract class Abs $1\{\frac{?}{?}**$ implementation not shown

public abstract class Abs $2\{/*$ implementation not shown $*/\}$

public interface Iface $\frac{1}{*}**$ implementation not shown

public interface Iface implementation not shown

Which of the following is a valid class declaration?

$($A$)$ public class TryThis extends Ifacel

$($B$)$ public class TryThis implements Abs $1$

$($C$)$ public class TryThis extends Abs$1,$ Abs $2$

$($D$)$ public class TryThis extends Ifacel implements Abs$1,$ Abs$2$

$($E$)$ public class TryThis extends Abs $1$ implements Ifacel, Iface$2$