#include <iostream>
using namespace std;
class D {
int d;
public:
explicit D(int x=1) : d(x) {}
~D() { cout<<"D";}
};
int main(){
D d[]={_____________};
D* p=new D[2];
delete[]p;
return 0;
} 程序运行的结果是DDDDD，请为横线处选择合适的程序（）3,3,3
D(3), D(3), D(3)
3,3,3,3
D(3,3),D(3,3)