单项选择题

在下列程序的划线处应填入的语句是 ( )
class Person

private int a;

public class Man extends Person

public int b
public static void main(String arg[])

Person P=new Person();
Man t=new Man();
int i;
______

A.i=w;
B.i=b;
C.i=p.a;
D.i=t,b;