题目内容

运行下列程序时的输出结果是（）。#include using namespace std;class A{public:A( ) { cout<<"A"; }~A( ) { cout<<"~A"; }};class B{public:B( ) { cout<<"B"; }~B( ) { cout<<"~B"; }};class C{B b;A a;public:C( ) { cout<<"C"; }~C( ) { cout<<"~C"; }};int main(void){C c;system("pause");return 0;}

A. BAC~C~A~B
BAC~B~A~C
C. ABC~C~B~A
D. C~C

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