下面程序的输出结果是 #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
B．constructA
C．constructA
D．constructA
destructA constructA constructA constructA
destructA constructA constrnctA
destructA destructA constructA
destructA destructA destructA
destrctA destructA
destructA