【单选题】已定义基类A和派生类B: class A { ptivate: int x; protected: int y; public: int z; void ShowA( ) { cout << x << y << z << endl; } }; class B : protected A // 保护继承 { private : int a; protected: int b; pu...
【简答题】---- _________________?----I’m fit as a fiddle .A. Do you play the fiddle well B. How's your health C. What's your hobby D. What does it stand for