#include using namespace std; class B1{ public: B1(int i) {b1=I; cout< void Print() {cout< private: int b1; }; class B2{ public: B2(int i) {b2=i; cout< void Print() {cout< }; class A:public B2,public B1{ public: A(int i,int j,int l); void Print(); private: int a;}; A::A(int i,int j,int l):B1(i),B2(j) {a=1; cout< void A::Print() { B1::Print();B2::Print(); cout< int main() { A aa(3,2,1); aa.print(); return 0; } 运行结果是( )。