下面程序的运行结果为
#include<iostream.h>
C.lass A
static int n;
public:
A.( ) {n=1;}
A.(int num) {n=num;}
void print( ) {cout < < n;}
};
int A: :n=2;
void main( )
{
A. a,b(3) ;
a. print( ) ;
b. print( ) ;
cout < < endl;
}
A.11
B.13
C.23
D.33