如下程序的输出结果是
#include<iostream>
using namespace std;
class Test
public:
Test( )n+=2;
~Test( )n-=3;
static int getNum( )return n;
private:
static int n;
;
int Test::n=1;
int main( )
Test*P=new Test:
delete P;
cout<<"n="<<Test::getNum( )<<endl;
return 0;
A.n=0
B.n=1
C.n=2
D.n=3