[单选题]

如下程序的输出结果是includeusing namespace std;class A{public:A( ){cout<<"A";}}

如下程序的输出结果是 #include<iostream> using namespace std; class A{ public: A( ){cout<<"A";} }; class B{public:B( ){cout<<"B";}}; class C:public A{ B b; public: C( ){cout<<"C";} }; int main( ){C obj;return 0;}

A.CBA

B.BAC

C.ACB

D.ABC

参考答案与解析:

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如下程序的输出结果是#includeusing namespace std;cl