The program "Transmission" downloaded what I didn't select in a torrent.

Binary package hint: transmission

I select some of what's in a torrent and want to download them , but this program "Transmission" downloaded all things in the torrent, both what I select and what I did not select.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: transmission-gtk 2.04-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-27.48-generic 2.6.35.11
Uname: Linux 2.6.35-27-generic i686
NonfreeKernelModules: fglrx
Architecture: i386
Date: Wed Mar 23 18:31:58 2011
ExecutablePath: /usr/bin/transmission
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007.1)
ProcEnviron:
 LANGUAGE=zh_CN:zh:zh_HK:zh_TW:zh_SG:ia
 LANG=zh_CN.UTF-8
 SHELL=/bin/bash
SourcePackage: transmission