如下程序: #include using namespace std; class Base { protected: Base() { cout< Base(char c){ cout< }; class Derived: public Base { public: Derived( char c ) { cout< }; int main() { Derived d1(‘B’); return 0; } 执行这个程序的输出结果是
【简答题】A.People will die earlier if they won't retire earlier. B.The next generation will retire at an earlier age. C.If we can enjoy a lot from work, we needn't have to retire at an earlier age. D.To retire...