题目内容

运行下列程序时的输出结果是( )。#includeusing namespace std;class MyClassA{public: MyClassA( ) { cout<<"A";}};class MyClassB:public MyClassA{public: MyClassB( ) { cout<<"B";}};class MyClassC:private MyClassA{public: MyClassC( ) { cout<<"C";}};class MyClassD:protected MyClassC,MyClassB{public: MyClassD( ) { cout<<"D";}};int main(void ){ MyClassD t; system("pause"); return 0;}

ABACD
B. ACABD
CBD
D. BCD

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