下面程序实现对zip文件file.zip的查询,在横线处填上正确的语句______。package test;import java.io.*;import java.util.*;import java.util.zip.*;public class Exam{public static void main(String[ ]args){ try{ FileInputStream fis=new FileInputStream("test/file.zip"); ZipInputStream zis=new ZipInputStream(fis); ZipEntry en; while((______)!=null){ en.getName( ); zis.closeEntry( ); } Zis.close( );}catch(Exception e){e.printStackTrace( );}} }
A.en=zigetNextEntry( )
B.en==zigetNextEntry( )
C.en=zigetEntry( )
D.zigetNextEntry( )