为了向文件 hello.txt 尾加数据，下列正确创建指向 hello.txt 的流的语句段是（ ）。
选项：

A:try { OutputStream out = new FileOutputStream ("hello.txt");}catch(IOException e){};
B:try { OutputStream out = new FileOutputStream ("hello.txt",true);}catch(IOException e){};
C:try { OutputStream out = new FileOutputStream ("hello.txt",false);}catch(IOException e){};
D:try { OutputStream out = new OutputStream ("hello.txt",true);}catch(IOException e){}