// 设已经有A,B,C,D 4个类的定义,程序中A,B,C,D析构函数调用顺序为( ) #include #include #include using namespace std; class A { public: A() { cout << "A()" << endl; } ~A() { cout << "~A()" << endl; } }; class B { public: B() { cout << "B()" << endl; } ~B() { cout << "~B()" << endl; } }; class C { public: C() { cout << "C()" << endl; } ~C() { cout << "~C()" << endl; } }; class D { public: D() { cout << "D()" << endl; } ~D() { cout << "~D()" << endl; } }; C c; int main() { A *pa = new A(); B b; static D d; delete pa; } /* C() A() B() D() ~A() ~B() ~D() ~C() */