下面程序的结果为
#include<iostream.h>
intC;
classA
private:
inta;
staticintb;
public:
A( )a=0;c=0;
voidseta( )a++;
voidsetb( )b++;
voidsetc( )c++;
voiddisplay( )cout<<a<<""<<b<<""<<c;
;
intA::b=0;
voidmain( )
Aa1,a2;
a1.seta( );
a1.setb( );
a1.setc( );
a2.seta( );
a2,setb( );
a2.setc( );
a2.display( );
A.121
B.122
C.112
D.222