不定项选择题 给出以下语句：
   class Parent{
   String one,two;
   public Parent(String a,String b){
   one=a;
   two=b;
   }
   public void print(){System.out.println(one);}
   }
   public class Child extends Parent{
   public Child(String a,String b){
   super(a,b);
   }
   public void print(){
   System.out.println(one+"to"+two);
   }
   public static void main(String arg[]){
   Parent P=new Parent("south"，"north");
   Parent t=new Child("east","west");
   P.print();
   t.print();
   }
   }
   下面的运行结果中正确的是______。
   A．在编译时出错
   B．south
   east
   C．south to north
   east to west
   D．south to north
   east
   E．south
   east to west