TestKing.com uses SQL Server 2005. Users report with increasing frequency that they receive deadlock error messages in an order processing application. You need to monitor which objects and SQL Server session IDs are involved when deadlock conditions occur. You want information about each participant in the deadlock. What should you do？（）
- ATrace the Lock：Timeout event by using SQL Server Profiler.
- BObserve the SQLServer：Locks - Number of Deadlocks/sec counter by using System Monitor.
- CTrace the Lock：Deadlock event by using SQL Server Profiler.
- DTrace the Lock：Deadlock Chain event by using SQL Server Profiler.