import java.io.*;class Person{public void print(){System.out.print("Person ");}public void printMyGender(String s){this.print();System.out.print(s+" ");}}class Gender{String type="gender";public void print(Person p){p.printMyGender(type);}}class Female extends Gender{public Female(){type="female";}}class Male extends Gender{public Male(){type="male";}}class Employee extends Person{public void print(){System.out.print("Employee ");}}class Manager extends Employee{public void print(){System.out.print("Manager ");}}public class Test{public static void main(String[] args){Manager man = new Manager();Employee em = new Employee();Gender gender1 = new Male();Gender gender2 = new Female();gender1.print(man);gender2.print(em);}}对于以上代码,其运行结果是

A. Person male Person female
B. Person gender Person gender
C. Manager male Employee female
D. Manager gender Employee gender