问题详情

下面程序的结果是 #include＜iostream．h＞ class test{ private： int num； public： test()； int getint() {return num；} ～test()；}； test：：test() { num=0；} test：：～test() { cout＜＜"Destructor is active"＜＜endl；} void
A．Exiting main Destructor is active Destructor is active Destructor is active
B．Exiting main Destructor is active Destructoris active
C．Exiting main Destructoris active
D．Exiting main请帮忙给出正确答案和分析，谢谢！