若有以下程序: #include <iost ream> using namespace std; class A { private:int a; public:A(int i){ a=i;}void disp (){ cout<<a<<", ";} }; class B { private:int b; public:B(int j) { b=j; } void disp () { cout<<b<< ","; }; class C : public B,public A { private: int c; public: C(int k) :A(k-2),B(k+2) { c=k; } void disp() { A: :disp (); B::disp(); cout<<c<<end1; } }; int main () { C obj (10); obj.disp(); return 0; } 程序执行后的输出结果是
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10