问题详情

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请帮忙给出正确答案和分析，谢谢！