Given:
1. abstract class A {}
2. class B {}
3. interface C {}
4. interface D {}
5. // insert code here
Which, inserted at line 5, results in a compilation failure?
A.
class E implements C {}
B.
class E extends A, B {}
C.
class E extends A {}
D.
class E implements C, D {}
E.
interface E extends C, D {}
F.
class E extends B implements D {}