单选题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？（）AVector filelist = （（Directory） file）.getList（）；BString[] filelist = file.directory（）；CEnumeration filelist = file.contents（）；DString[] filelist = file.list（）；EVector filelist = （new Directory（file））.files（）；
单选题
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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