有以下程序： #include ＜iostream＞ #include ＜string＞ using namespace std; class base { private:char baseName[10]; public:base ( ){ strcpy (baseName, "Base");}virtual char *myName(){ return baseName;}char *className(){ return baseName;} }; class Derived : public base { private:char derivedName[10]; public:Derived(){ strcpy(derivedName,"Derived");}char *myName(){ return derivedName;}char *className(){ return derivedName;} }; void showPtr(base &p) {cout＜＜p.myName()＜＜" "＜＜p.className() ; } int main () {base bb;Derived dd;showPtr(dd) ;return 0; }
A．DerivedBase
B．BaseBase
C．DerivedDerived
D．BaseDerived
