有如下程序:
#include <iostream>
using namespace std;
class MyClass
public:
MyClass()++count;
~MyClass() --count;
static int getCount() return count;
private:
static int count,
;
int MyClass::count=0;
int main()
MyClass obj;
cout<<obj.getCount();
MyClass *ptr=new MyClass;
cout<<MyClass::getCount();
delete ptr;
cout<<MyClass::getCount();
return 0;
程序的输出结果是( )。
A.121
B.232
C.221
D.122