问答题
class Human {public: void BuyTicket() {cout<<“人买票”<<endl;} }; teacher:public human {void buyticket() student:public int main() {human *ppassenger="NULL;" ppassenger="new" teacher; ppassenger->BuyTicket(); delete pPassenger; pPassenger=new Student; pPassenger->BuyTicket(); delete pPassenger; return 0; } 程序运行结果为:
A、人买票 人买票
B、人买票 学生刷卡买票
C、老师投币买票 人买票
D、老师投币买票 学生刷卡买票
答案:
A