66. Given:
5. class Thingy{ Meter m = new Meter()； }
6. class Component {void go() { System.out.print("c")；}}
7. class Meter extends Component {void go() { System.out.print("m")； }}
8.
9. class DeluxeThingy extends Thingy {
10. public static void main(String[] args) {
11. DeluxeThingy dt = new DeluxeThingy()；
12. dt.m.go()；
13. Thingy t = new DeluxeThingy()；
14. t.m.go()；
15. }
16. } Which two are true? (Choose two.) (A) The output is mm. (B) The output is mc. (C) Component is-a Meter. (D) Component has-a Meter. (E) DeluxeThingy is-a Component. (F) DeluxeThingy has-a Component.
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