![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
下面程序的运行结果是( )。 #include<iostream> using namespace std; class A { public: virtual~A() { cout<<'call A::~A()'<<endl;} }; class B:public A { char * p; public: B(int i) { p=new char[i];} ~B() { delete(p); cout<<'call B::~B()'; } }; void main() { A * a=new B(8); delete a; }