下列代码段声明了3个类 class Person{}; class Student :public Person{}; class Undergraduate : Student{}; 下列关于这些类之间关系的描述中,错误的是_______。A.类Person是类Undergraduate的基类B.类Undergraduate从类Student公有继承C.类Student是类Person的派生类D.类Undergraduate是类Person的派生类

下列代码段声明了3个类 class Person{}; class Student :public Person{}; class Undergraduate : Student{}; 下列关于这些类之间关系的描述中,错误的是_______。

A.类Person是类Undergraduate的基类

B.类Undergraduate从类Student公有继承

C.类Student是类Person的派生类

D.类Undergraduate是类Person的派生类


参考答案和解析
B 解析:类Undergraduate从类Student私有继承,继承方式缺省则默认是Private。

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