单项选择题

有如下程序:
#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;
执行该程序的输出结果是( )。

A.n=0
B.n=1
C.n=2
D.n=3