单选题Which Man clsss properly represents the relationship "Man has a best friend who is a Dog"？（）Aclass Man extends Dog { }Bclass Man implements Dog { }Cclass Man { private BestFriend dog； }Dclass Man { private Dog bestFriend； }Eclass Man { private Dog； }Fclass Man { private BestFriend； }
单选题
Which Man clsss properly represents the relationship "Man has a best friend who is a Dog"？（）
A
class Man extends Dog { }
B
class Man implements Dog { }
C
class Man { private BestFriend dog； }
D
class Man { private Dog bestFriend； }
E
class Man { private Dog
F
class Man { private BestFriend
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