單項(xiàng)選擇題

Given that file is a reference to a File object that represents a directory, which code fragments will succeed in obtaining a list of the entries in the directory?()  

A.Vector filelist = ((Directory) file).getList();
B.String[] filelist = file.directory();
C.Enumeration filelist = file.contents();
D.String[] filelist = file.list();
E.Vector filelist = (new Directory(file)).files();

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