You are the IT professional who work in an International company named Wiikigo. You are experienced in troubleshooting operating systems and applications that are not working correctly, identifying code defects and so on. You have enough knowledge on windows internals and you provide technical support for the company. There is a computer named c01. Windows Server 2008 is run by C01. Now you are using WinDbg to debug C01. You find that one thread is waiting for a critical section. This section is owned by another thread. You have to locate the critical section. Of the following WinDbg commands, which one should be used?

A.
You should choose to use.thread

B.
You should choose to use !deadlock

C.
You should choose to use!kdext.locks

D.
You should choose to use!ntsdexts.locks