问题：

[单选] When compressing data with the DeflateStream class， how do you specify a stream into which to write compressed data？（）

A .  Set the BaseStream property with the destination stream， and set the CompressionMode property to Compression.
B .  Specify the stream to write into the DeflateStream object is created （for example， in the constructor）.
C .  Use the Write method of the DeflateStream class.
D .  Register for the BaseSream event of the DeflateStream class.