单选题Given： Which statement is true？（）A The cardID and limit variables break polymorphism.B The code demonstrates polymorphism.C The ownerName variable breaks encapsulation.D The setCardInformation method breaks encapsulation.E The class is fully encapsulated.
单选题
Given： Which statement is true？（）
A
The cardID and limit variables break polymorphism.
B
The code demonstrates polymorphism.
C
The ownerName variable breaks encapsulation.
D
The setCardInformation method breaks encapsulation.
E
The class is fully encapsulated.
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