Select a Code Segment to Complete the SmartPhone Class, So

Select a code segment to complete the SmartPhone class, so that it reflects an interface implementation relationship between SmartPhone and MP3Player. public class SmartPhone ___________________________

A) extends MP3Player
{
…
}
B) {
Private MP3Player musicPlayer;
…
}
C) implements MP3Player
{
…
}
D) implements interface MP3Player
{
…
}