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单选题 2 /40

分析一下程序的运行结果:
class CBase
{
public:
    CBase(){cout<<”constructing CBase class”<<ENDL;}
    ~CBase(){cout<<”destructing CBase class”<<ENDL;}
};

class CSub : public CBase
{
public:
    CSub(){cout<<”constructing CSub class”&l

参考答案

constructing CSub class constructing CBase class destructing CSub class destructing CBase class
constructing CBase class constructing CSub class destructing CBase class destructing CSub class
constructing CBase class constructing CSub class destructing CSub class destructing CBase class
constructing CSub class constructing CBase class destructing CBase class destructing CSub class
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