下面程序的结果是 #include<iostream.h> class A { public: A( ) {cout<< construtA <<endl;} virtual~A( ) {cout<< destructA <<endl;}}; class B:public A {}; class C:public A {}; class D:public B,public C {}; void main( ) { D d;}
A.constructA destructA
B.constructA constructA destructA destructA
C.constructA constructA constructA destructA destructA destructA
D.constructA onstructA constructA constructA destructA destructA destructA destructA