In the long conversation of lesson twelve, speaker B says he has 8 boxes missing from the order, so speaker A promises to send the rest 80 boxes by Tuesday.
【单选题】有如下程序: #include<iostream> using namespace std class A { public: A(){cout<<'A'} } class B{public:B(){cout<<'B'} } class C:public A { B b public:C(){cout<<'C'} } int main() { C obj return 0 } 执行后的输出结果是(...