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A. 2
B. 4
C. 8
D. 16
E. The code will not compile.

A. public interface Person {}  Public class Employee extends Person {}
B. public interface Shape {}  public interface Rectangle extends Shape {}
C. public interface Color {}  public class Shape { private Color color； }
D. public class Species {}  public class Animal { private Species species； }
E. interface Component {} Class Container implements Component {private Component [] children；