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. From Application Verifier (AppVerifier), you get a bug report. According to the indication of this report, when an application quits, handle leaks happen. You have to find out the call stack that is causing the handle leak. Of the following WinDbg commands, which one should be used?

A.
You should choose to use!htrace enable and !htrace diff

B.
You should choose to use !vm 4 and !stacks

C.
You should choose to use!process 0 0 and !locks

D.
You should choose to use!poolused 1 and !poolused -p