单项选择题

有如下程序:
#include <iostream>
using namespace std;
class BASE
public:
~BASE() cout<<"BASE";
;
class DERIVED: public BASE
public:
~DERIVED() cout<;"DERIVED";
;
int main()DERIVED x; return 0;
执行后的输出结果是______ 。

A.BASE
B.DERIVED
C.BASEDERIVED
D.DERIVEDBASE